client/src/components/BaseGame.vue

   1 <template lang="pug">
   2 div#baseGame
   3   input#modalEog.modal(type="checkbox")
   4   div#eogDiv(
   5     role="dialog"
   6     data-checkbox="modalEog"
   7   )
   8     .card.text-center
   9       label.modal-close(for="modalEog")
  10       h3.section {{ endgameMessage }}
  11   #gameContainer
  12     #boardContainer
  13       Board(
  14         ref="board"
  15         :vr="vr"
  16         :last-move="lastMove"
  17         :analyze="game.mode=='analyze'"
  18         :score="game.score"
  19         :user-color="game.mycolor"
  20         :orientation="orientation"
  21         :vname="game.vname"
  22         :incheck="incheck"
  23         @play-move="play"
  24         @click-square="clickSquare"
  25       )
  26       #turnIndicator(v-if="showTurn") {{ turn }}
  27       #controls.button-group
  28         button(@click="gotoBegin()")
  29           img.inline(src="/images/icons/fast-forward_rev.svg")
  30         button(@click="undo()")
  31           img.inline(src="/images/icons/play_rev.svg")
  32         button(v-if="canFlip" @click="flip()")
  33           img.inline(src="/images/icons/flip.svg")
  34         button(
  35           @click="runAutoplay()"
  36           :class="{'in-autoplay': autoplay}"
  37         )
  38           img.inline(src="/images/icons/autoplay.svg")
  39         button(@click="play()")
  40           img.inline(src="/images/icons/play.svg")
  41         button(@click="gotoEnd()")
  42           img.inline(src="/images/icons/fast-forward.svg")
  43     #movesList
  44       MoveList(
  45         :show="showMoves"
  46         :canAnalyze="canAnalyze"
  47         :canDownload="allowDownloadPGN"
  48         :score="game.score"
  49         :message="game.scoreMsg"
  50         :firstNum="firstMoveNumber"
  51         :moves="moves"
  52         :cursor="cursor"
  53         @download="download"
  54         @showrules="showRules"
  55         @analyze="analyzePosition"
  56         @goto-move="gotoMove"
  57         @reset-arrows="resetArrows"
  58       )
  59     .clearer
  60 </template>
  61
  62 <script>
  63 import Board from "@/components/Board.vue";
  64 import MoveList from "@/components/MoveList.vue";
  65 import params from "@/parameters";
  66 import { store } from "@/store";
  67 import { getSquareId } from "@/utils/squareId";
  68 import { getDate } from "@/utils/datetime";
  69 import { processModalClick } from "@/utils/modalClick";
  70 import { getScoreMessage } from "@/utils/scoring";
  71 import { getFullNotation } from "@/utils/notation";
  72 import { undoMove } from "@/utils/playUndo";
  73 export default {
  74   name: "my-base-game",
  75   components: {
  76     Board,
  77     MoveList
  78   },
  79   props: ["game"],
  80   data: function() {
  81     return {
  82       st: store.state,
  83       // NOTE: all following variables must be reset at the beginning of a game
  84       vr: null, //VariantRules object, game state
  85       endgameMessage: "",
  86       orientation: "w",
  87       score: "*", //'*' means 'unfinished'
  88       moves: [],
  89       cursor: -1, //index of the move just played
  90       lastMove: null,
  91       firstMoveNumber: 0, //for printing
  92       incheck: [], //for Board
  93       inMultimove: false,
  94       autoplay: false,
  95       autoplayLoop: null,
  96       inPlay: false,
  97       stackToPlay: []
  98     };
  99   },
 100   computed: {
 101     turn: function() {
 102       if (!this.vr) return "";
 103       if (this.vr.showMoves != "all") {
 104         return this.st.tr[
 105           (this.vr.turn == 'w' ? "White" : "Black") + " to move"];
 106       }
 107       // Cannot flip: racing king or circular chess
 108       return (
 109         this.vr.movesCount == 0 && this.game.mycolor == "w"
 110           ? this.st.tr["It's your turn!"]
 111           : ""
 112       );
 113     },
 114     // TODO: is it OK to pass "computed" as properties?
 115     // Also, some are seemingly not recomputed when vr is initialized.
 116     showMoves: function() {
 117       return this.game.score != "*"
 118         ? "all"
 119         : (!!this.vr ? this.vr.showMoves : "none");
 120     },
 121     showTurn: function() {
 122       return (
 123         this.game.score == '*' &&
 124         !!this.vr && (this.vr.showMoves != "all" || !this.vr.canFlip)
 125       );
 126     },
 127     canAnalyze: function() {
 128       return (
 129         this.game.mode != "analyze" &&
 130         !!this.vr && this.vr.canAnalyze
 131       );
 132     },
 133     canFlip: function() {
 134       return !!this.vr && this.vr.canFlip;
 135     },
 136     allowDownloadPGN: function() {
 137       return (
 138         this.game.score != "*" ||
 139         (!!this.vr && this.vr.showMoves == "all")
 140       );
 141     }
 142   },
 143   created: function() {
 144     if (!!this.game.fenStart) this.re_setVariables();
 145   },
 146   mounted: function() {
 147     if (!("ontouchstart" in window)) {
 148       // Desktop browser:
 149       const baseGameDiv = document.getElementById("baseGame");
 150       baseGameDiv.tabIndex = 0;
 151       baseGameDiv.addEventListener("click", this.focusBg);
 152       baseGameDiv.addEventListener("keydown", this.handleKeys);
 153       baseGameDiv.addEventListener("wheel", this.handleScroll);
 154     }
 155     document.getElementById("eogDiv")
 156       .addEventListener("click", processModalClick);
 157   },
 158   beforeDestroy: function() {
 159     if (!!this.autoplayLoop) clearInterval(this.autoplayLoop);
 160   },
 161   methods: {
 162     focusBg: function() {
 163       document.getElementById("baseGame").focus();
 164     },
 165     handleKeys: function(e) {
 166       if ([32, 37, 38, 39, 40].includes(e.keyCode)) e.preventDefault();
 167       switch (e.keyCode) {
 168         case 37:
 169           this.undo();
 170           break;
 171         case 39:
 172           this.play();
 173           break;
 174         case 38:
 175           this.gotoBegin();
 176           break;
 177         case 40:
 178           this.gotoEnd();
 179           break;
 180         case 32:
 181           this.flip();
 182           break;
 183       }
 184     },
 185     handleScroll: function(e) {
 186       e.preventDefault();
 187       if (e.deltaY < 0) this.undo();
 188       else if (e.deltaY > 0) this.play();
 189     },
 190     resetArrows: function() {
 191       // TODO: make arrows scale with board, and remove this
 192       this.$refs["board"].cancelResetArrows();
 193     },
 194     showRules: function() {
 195       //this.$router.push("/variants/" + this.game.vname);
 196       window.open("#/variants/" + this.game.vname, "_blank"); //better
 197     },
 198     re_setVariables: function(game) {
 199       if (!game) game = this.game; //in case of...
 200       this.endgameMessage = "";
 201       // "w": default orientation for observed games
 202       this.orientation = game.mycolor || "w";
 203       this.moves = JSON.parse(JSON.stringify(game.moves || []));
 204       // Post-processing: decorate each move with notation and FEN
 205       this.vr = new V(game.fenStart);
 206       const parsedFen = V.ParseFen(game.fenStart);
 207       const firstMoveColor = parsedFen.turn;
 208       this.firstMoveNumber = Math.floor(parsedFen.movesCount / 2) + 1;
 209       let L = this.moves.length;
 210       this.moves.forEach((move,idx) => {
 211         // Strategy working also for multi-moves:
 212         if (!Array.isArray(move)) move = [move];
 213         const Lm = move.length;
 214         move.forEach((m,idxM) => {
 215           m.notation = this.vr.getNotation(m);
 216           m.unambiguous = V.GetUnambiguousNotation(m);
 217           this.vr.play(m);
 218           const checkSquares = this.vr.getCheckSquares();
 219           if (checkSquares.length > 0) m.notation += "+";
 220           if (idx == L - 1 && idxM == Lm - 1) {
 221             this.incheck = checkSquares;
 222             const score = this.vr.getCurrentScore();
 223             if (["1-0", "0-1"].includes(score)) m.notation += "#";
 224           }
 225         });
 226       });
 227       if (firstMoveColor == "b") {
 228         // 'start' & 'end' is required for Board component
 229         this.moves.unshift({
 230           notation: "...",
 231           unambiguous: "...",
 232           start: { x: -1, y: -1 },
 233           end: { x: -1, y: -1 },
 234           fen: game.fenStart
 235         });
 236         L++;
 237       }
 238       this.positionCursorTo(L - 1);
 239     },
 240     positionCursorTo: function(index) {
 241       this.cursor = index;
 242       // Note: last move in moves array might be a multi-move
 243       if (index >= 0) this.lastMove = this.moves[index];
 244       else this.lastMove = null;
 245     },
 246     analyzePosition: function() {
 247       let newUrl =
 248         "/analyse/" +
 249         this.game.vname +
 250         "/?fen=" +
 251         this.vr.getFen().replace(/ /g, "_");
 252       if (!!this.game.mycolor) newUrl += "&side=" + this.game.mycolor;
 253       window.open("#" + newUrl);
 254     },
 255     download: function() {
 256       const content = this.getPgn();
 257       // Prepare and trigger download link
 258       let downloadAnchor = document.getElementById("download");
 259       downloadAnchor.setAttribute("download", "game.pgn");
 260       downloadAnchor.href =
 261         "data:text/plain;charset=utf-8," + encodeURIComponent(content);
 262       downloadAnchor.click();
 263     },
 264     getPgn: function() {
 265       let pgn = "";
 266       pgn += '[Site "vchess.club"]\n';
 267       pgn += '[Variant "' + this.game.vname + '"]\n';
 268       const gdt = getDate(new Date(this.game.created || Date.now()));
 269       pgn += '[Date "' + gdt + '"]\n';
 270       pgn += '[White "' + this.game.players[0].name + '"]\n';
 271       pgn += '[Black "' + this.game.players[1].name + '"]\n';
 272       pgn += '[Fen "' + this.game.fenStart + '"]\n';
 273       pgn += '[Result "' + this.game.score + '"]\n';
 274       if (!!this.game.id)
 275         pgn += '[Url "' + params.serverUrl + '/game/' + this.game.id + '"]\n';
 276       if (!!this.game.cadence)
 277         pgn += '[Cadence "' + this.game.cadence + '"]\n';
 278       pgn += '\n';
 279       for (let i = 0; i < this.moves.length; i += 2) {
 280         if (i > 0) pgn += " ";
 281         // Adjust dots notation for a better display:
 282         let fullNotation = getFullNotation(this.moves[i]);
 283         if (fullNotation == "...") fullNotation = "..";
 284         pgn += (i / 2 + this.firstMoveNumber) + "." + fullNotation;
 285         if (i+1 < this.moves.length)
 286           pgn += " " + getFullNotation(this.moves[i+1]);
 287       }
 288       pgn += "\n\n";
 289       for (let i = 0; i < this.moves.length; i += 2) {
 290         const moveNumber = i / 2 + this.firstMoveNumber;
 291         // Skip "dots move", useless for machine reading:
 292         if (this.moves[i].notation != "...") {
 293           pgn += moveNumber + ".w " +
 294             getFullNotation(this.moves[i], "unambiguous") + "\n";
 295         }
 296         if (i+1 < this.moves.length) {
 297           pgn += moveNumber + ".b " +
 298             getFullNotation(this.moves[i+1], "unambiguous") + "\n";
 299         }
 300       }
 301       return pgn;
 302     },
 303     showEndgameMsg: function(message) {
 304       this.endgameMessage = message;
 305       document.getElementById("modalEog").checked = true;
 306     },
 307     runAutoplay: function() {
 308       const infinitePlay = () => {
 309         if (this.cursor == this.moves.length - 1) {
 310           clearInterval(this.autoplayLoop);
 311           this.autoplayLoop = null;
 312           this.autoplay = false;
 313           return;
 314         }
 315         if (this.inPlay || this.inMultimove)
 316           // Wait next tick
 317           return;
 318         this.play();
 319       };
 320       if (this.autoplay) {
 321         this.autoplay = false;
 322         clearInterval(this.autoplayLoop);
 323         this.autoplayLoop = null;
 324       } else {
 325         this.autoplay = true;
 326         setTimeout(
 327           () => {
 328             infinitePlay();
 329             this.autoplayLoop = setInterval(infinitePlay, 1500);
 330           },
 331           // Small delay otherwise the first move is played too fast
 332           500
 333         );
 334       }
 335     },
 336     // Animate an elementary move
 337     animateMove: function(move, callback) {
 338       let startSquare = document.getElementById(getSquareId(move.start));
 339       if (!startSquare) return; //shouldn't happen but...
 340       let endSquare = document.getElementById(getSquareId(move.end));
 341       let rectStart = startSquare.getBoundingClientRect();
 342       let rectEnd = endSquare.getBoundingClientRect();
 343       let translation = {
 344         x: rectEnd.x - rectStart.x,
 345         y: rectEnd.y - rectStart.y
 346       };
 347       let movingPiece = document.querySelector(
 348         "#" + getSquareId(move.start) + " > img.piece"
 349       );
 350       // For some unknown reasons Opera get "movingPiece == null" error
 351       // TODO: is it calling 'animate()' twice ? One extra time ?
 352       if (!movingPiece) return;
 353       const squares = document.getElementsByClassName("board");
 354       for (let i = 0; i < squares.length; i++) {
 355         let square = squares.item(i);
 356         if (square.id != getSquareId(move.start))
 357           // HACK for animation:
 358           // (with positive translate, image slides "under background")
 359           square.style.zIndex = "-1";
 360       }
 361       movingPiece.style.transform =
 362         "translate(" + translation.x + "px," + translation.y + "px)";
 363       movingPiece.style.transitionDuration = "0.25s";
 364       movingPiece.style.zIndex = "3000";
 365       setTimeout(() => {
 366         for (let i = 0; i < squares.length; i++)
 367           squares.item(i).style.zIndex = "auto";
 368         movingPiece.style = {}; //required e.g. for 0-0 with KR swap
 369         callback();
 370       }, 250);
 371     },
 372     // For Analyse mode:
 373     emitFenIfAnalyze: function() {
 374       if (this.game.mode == "analyze") {
 375         let fen = this.game.fenStart;
 376         if (!!this.lastMove) {
 377           if (Array.isArray(this.lastMove)) {
 378             const L = this.lastMove.length;
 379             fen = this.lastMove[L-1].fen;
 380           }
 381           else fen = this.lastMove.fen;
 382         }
 383         this.$emit("fenchange", fen);
 384       }
 385     },
 386     clickSquare: function(square) {
 387       // Some variants make use of a single click at specific times:
 388       const move = this.vr.doClick(square);
 389       if (!!move) this.play(move);
 390     },
 391     // "light": if gotoMove() or gotoEnd()
 392     play: function(move, received, light, noemit) {
 393       // Freeze while choices are shown:
 394       if (this.$refs["board"].choices.length > 0) return;
 395       // The board may show some the possible moves: (TODO: bad solution)
 396       this.$refs["board"].resetCurrentAttempt();
 397       if (!!noemit) {
 398         if (this.inPlay) {
 399           // Received moves in observed games can arrive too fast:
 400           this.stackToPlay.unshift(move);
 401           return;
 402         }
 403         this.inPlay = true;
 404       }
 405       const navigate = !move;
 406       const playSubmove = (smove) => {
 407         smove.notation = this.vr.getNotation(smove);
 408         smove.unambiguous = V.GetUnambiguousNotation(smove);
 409         this.vr.play(smove);
 410         if (!!this.lastMove) {
 411           if (!Array.isArray(this.lastMove))
 412             this.lastMove = [this.lastMove, smove];
 413           else this.lastMove.push(smove);
 414         }
 415         // Is opponent (or me) in check?
 416         this.incheck = this.vr.getCheckSquares();
 417         if (this.incheck.length > 0) smove.notation += "+";
 418         if (!this.inMultimove) {
 419           // First sub-move:
 420           this.lastMove = smove;
 421           // Condition is "!navigate" but we mean "!this.autoplay"
 422           if (!navigate) {
 423             if (this.cursor < this.moves.length - 1)
 424               this.moves = this.moves.slice(0, this.cursor + 1);
 425             this.moves.push(smove);
 426           }
 427           this.inMultimove = true; //potentially
 428           this.cursor++;
 429         } else if (!navigate) {
 430           // Already in the middle of a multi-move
 431           const L = this.moves.length;
 432           if (!Array.isArray(this.moves[L-1]))
 433             this.$set(this.moves, L-1, [this.moves[L-1], smove]);
 434           else this.moves[L-1].push(smove);
 435         }
 436       };
 437       const playMove = () => {
 438         const animate = (
 439           ["all", "highlight"].includes(V.ShowMoves) &&
 440           (this.autoplay || !!received)
 441         );
 442         if (!Array.isArray(move)) move = [move];
 443         let moveIdx = 0;
 444         let self = this;
 445         const initurn = this.vr.turn;
 446         (function executeMove() {
 447           const smove = move[moveIdx++];
 448           // NOTE: condition "smove.start.x >= 0" required for Dynamo,
 449           // because second move may be empty.
 450           if (animate && smove.start.x >= 0) {
 451             self.animateMove(smove, () => {
 452               playSubmove(smove);
 453               if (moveIdx < move.length)
 454                 setTimeout(executeMove, 500);
 455               else afterMove(smove, initurn);
 456             });
 457           } else {
 458             playSubmove(smove);
 459             if (moveIdx < move.length) executeMove();
 460             else afterMove(smove, initurn);
 461           }
 462         })();
 463       };
 464       const computeScore = () => {
 465         const score = this.vr.getCurrentScore();
 466         if (!navigate) {
 467           if (["1-0","0-1"].includes(score)) {
 468             if (Array.isArray(this.lastMove)) {
 469               const L = this.lastMove.length;
 470               this.lastMove[L - 1].notation += "#";
 471             }
 472             else this.lastMove.notation += "#";
 473           }
 474         }
 475         if (score != "*" && this.game.mode == "analyze") {
 476           const message = getScoreMessage(score);
 477           // Just show score on screen (allow undo)
 478           this.showEndgameMsg(score + " . " + this.st.tr[message]);
 479         }
 480         return score;
 481       };
 482       const afterMove = (smove, initurn) => {
 483         if (this.vr.turn != initurn) {
 484           // Turn has changed: move is complete
 485           if (!smove.fen)
 486             // NOTE: only FEN of last sub-move is required (=> setting it here)
 487             smove.fen = this.vr.getFen();
 488           this.emitFenIfAnalyze();
 489           this.inMultimove = false;
 490           this.score = computeScore();
 491           if (this.game.mode != "analyze" && !navigate) {
 492             if (!noemit) {
 493               // Post-processing (e.g. computer play).
 494               const L = this.moves.length;
 495               // NOTE: always emit the score, even in unfinished,
 496               // to tell Game::processMove() that it's not a received move.
 497               this.$emit("newmove", this.moves[L-1], { score: this.score });
 498             } else {
 499               this.inPlay = false;
 500               if (this.stackToPlay.length > 0)
 501                 // Move(s) arrived in-between
 502                 this.play(this.stackToPlay.pop(), received, light, noemit);
 503             }
 504           }
 505         }
 506       };
 507       // NOTE: navigate and received are mutually exclusive
 508       if (navigate) {
 509         // The move to navigate to is necessarily full:
 510         if (this.cursor == this.moves.length - 1) return; //no more moves
 511         move = this.moves[this.cursor + 1];
 512         if (!this.autoplay) {
 513           // Just play the move:
 514           if (!Array.isArray(move)) move = [move];
 515           for (let i=0; i < move.length; i++) this.vr.play(move[i]);
 516           if (!light) {
 517             this.lastMove = move;
 518             this.incheck = this.vr.getCheckSquares();
 519             this.score = computeScore();
 520             this.emitFenIfAnalyze();
 521           }
 522           this.cursor++;
 523           return;
 524         }
 525       }
 526       // Forbid playing outside analyze mode, except if move is received.
 527       // Sufficient condition because Board already knows which turn it is.
 528       if (
 529         this.game.mode != "analyze" &&
 530         !navigate &&
 531         !received &&
 532         (this.game.score != "*" || this.cursor < this.moves.length - 1)
 533       ) {
 534         return;
 535       }
 536       // To play a received move, cursor must be at the end of the game:
 537       if (received && this.cursor < this.moves.length - 1)
 538         this.gotoEnd();
 539       playMove();
 540     },
 541     cancelCurrentMultimove: function() {
 542       const L = this.moves.length;
 543       let move = this.moves[L-1];
 544       if (!Array.isArray(move)) move = [move];
 545       for (let i = move.length - 1; i >= 0; i--) this.vr.undo(move[i]);
 546       this.moves.pop();
 547       this.cursor--;
 548       this.inMultimove = false;
 549     },
 550     cancelLastMove: function() {
 551       // The last played move was canceled (corr game)
 552       this.undo();
 553       this.moves.pop();
 554     },
 555     // "light": if gotoMove() or gotoBegin()
 556     undo: function(move, light) {
 557       // Freeze while choices are shown:
 558       if (this.$refs["board"].choices.length > 0) return;
 559       this.$refs["board"].resetCurrentAttempt();
 560       if (this.inMultimove) {
 561         this.cancelCurrentMultimove();
 562         this.incheck = this.vr.getCheckSquares();
 563       } else {
 564         if (!move) {
 565           const minCursor =
 566             this.moves.length > 0 && this.moves[0].notation == "..."
 567               ? 1
 568               : 0;
 569           if (this.cursor < minCursor) return; //no more moves
 570           move = this.moves[this.cursor];
 571         }
 572         this.$refs["board"].resetCurrentAttempt();
 573         undoMove(move, this.vr);
 574         if (light) this.cursor--;
 575         else {
 576           this.positionCursorTo(this.cursor - 1);
 577           this.incheck = this.vr.getCheckSquares();
 578           this.emitFenIfAnalyze();
 579         }
 580       }
 581     },
 582     gotoMove: function(index) {
 583       if (this.$refs["board"].choices.length > 0) return;
 584       this.$refs["board"].resetCurrentAttempt();
 585       if (this.inMultimove) this.cancelCurrentMultimove();
 586       if (index == this.cursor) return;
 587       if (index < this.cursor) {
 588         while (this.cursor > index)
 589           this.undo(null, null, "light");
 590       }
 591       else {
 592         // index > this.cursor)
 593         while (this.cursor < index)
 594           this.play(null, null, "light");
 595       }
 596       // NOTE: next line also re-assign cursor, but it's very light
 597       this.positionCursorTo(index);
 598       this.incheck = this.vr.getCheckSquares();
 599       this.emitFenIfAnalyze();
 600     },
 601     gotoBegin: function() {
 602       if (this.$refs["board"].choices.length > 0) return;
 603       this.$refs["board"].resetCurrentAttempt();
 604       if (this.inMultimove) this.cancelCurrentMultimove();
 605       const minCursor =
 606         this.moves.length > 0 && this.moves[0].notation == "..."
 607           ? 1
 608           : 0;
 609       while (this.cursor >= minCursor) this.undo(null, null, "light");
 610       this.lastMove = (minCursor == 1 ? this.moves[0] : null);
 611       this.incheck = this.vr.getCheckSquares();
 612       this.emitFenIfAnalyze();
 613     },
 614     gotoEnd: function() {
 615       if (this.$refs["board"].choices.length > 0) return;
 616       this.$refs["board"].resetCurrentAttempt();
 617       if (this.cursor == this.moves.length - 1) return;
 618       this.gotoMove(this.moves.length - 1);
 619       this.emitFenIfAnalyze();
 620     },
 621     flip: function() {
 622       if (this.$refs["board"].choices.length > 0) return;
 623       this.orientation = V.GetOppCol(this.orientation);
 624     }
 625   }
 626 };
 627 </script>
 628
 629 <style lang="sass" scoped>
 630 [type="checkbox"]#modalEog+div .card
 631   min-height: 45px
 632
 633 #baseGame
 634   width: 100%
 635   &:focus
 636     outline: none
 637
 638 #gameContainer
 639   margin-left: auto
 640   margin-right: auto
 641
 642 #downloadDiv
 643   display: inline-block
 644
 645 #controls
 646   user-select: none
 647   button
 648     border: none
 649     margin: 0
 650     padding-top: 5px
 651     padding-bottom: 5px
 652
 653 .in-autoplay
 654   background-color: #FACF8C
 655
 656 img.inline
 657   height: 22px
 658   padding-top: 5px
 659   @media screen and (max-width: 767px)
 660     height: 18px
 661
 662 #turnIndicator
 663   text-align: center
 664   font-weight: bold
 665
 666 #boardContainer
 667   float: left
 668 // TODO: later, maybe, allow movesList of variable width
 669 // or e.g. between 250 and 350px (but more complicated)
 670
 671 #movesList
 672   width: 280px
 673   float: left
 674
 675 @media screen and (max-width: 767px)
 676   #movesList
 677     width: 100%
 678     float: none
 679     clear: both
 680 </style>