<div class="popuptext hiderules">
    <h1>Pig Game</h1>   
    <ul>
        <li>The game has 2 players, playing in rounds</li>
        <li>In each turn, a player rolls a dice as many times as he wishes. Each result get added to his round score</li>
        <li>BUT, if the player rolls a 1, all his round score gets lost. After that, it's the next player's turn</li>
        <li>The player can choose to 'Hold', which means that his round score gets added to his global score. After that, it's the next player's turn</li>
        <li>The first player to reach 20 points on global score wins the game</li>
    </ul>
    <button class="btn-close">I understand, let's play!</button>
</div>
    
<div class="top-buttons">
    <button class="btn-rules">Rules</button>
    <button class="btn-new">New game</button>
</div>
    
<div class="grid-container">
  <div class="player-0-panel active">
    <div class="player-name" id="name-0">Player 1</div>
    <div class="player-score" id="score-0">0</div>
    <div class="player-controls">
        <button class="btn-roll"><i class="fas fa-dice"></i>Roll dice</button><br />
        <button class="btn-hold"><i class="fas fa-hand-holding"></i>Hold</button>
    </div>
    <div class="player-current-box">
      <div class="player-current-label">Current</div>
      <div class="player-current-score" id="current-0">0</div>
    </div>
  </div>
  <div class="player-1-panel">
    <div class="player-name" id="name-1">Player 2</div>
    <div class="player-score" id="score-1">0</div>
    <div class="player-current-box">
      <div class="player-current-label">Current</div>
      <div class="player-current-score" id="current-1">0</div>
    </div>
  </div>
</div>
  <div class="dice">
    <div class="cube animation-1">
      <div class="cube_face_1">&bull;</div>
      <div class="cube_face_2">&bull;&ensp;&ensp;&bull;</div>
      <div class="cube_face_3">&emsp;&emsp;&bull;<br>&ensp;&ensp;&bull;<br>&bull;</div>
      <div class="cube_face_4">&bull;&ensp;&emsp;&bull;<br><br>&bull;&ensp;&emsp;&bull;</div>
      <div class="cube_face_5">&bull;&ensp;&emsp;&bull;<br>&emsp;&bull;<br>&bull;&ensp;&emsp;&bull;</div>
      <div class="cube_face_6">&bull;&ensp;&emsp;&bull;<br>&bull;&ensp;&emsp;&bull;<br>&bull;&ensp;&emsp;&bull;</div>
    </div>
  </div>
/**********************************************
*** GENERAL
**********************************************/

body {
    font-family: Lato;
    font-weight: 300;
    color: #555;
}

@-webkit-keyframes fadeIn {
    from {opacity: 0;} 
    to {opacity: 1;}
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity:1 ;}
}

.top-buttons {
    width: 223px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    margin: 20px 0 20px 0;
}

button {
    color: #555;
    background: none;
    border: none;
    font-family: Lato;
    font-size: 20px;
    text-transform: uppercase;
    cursor: pointer;
    font-weight: 300;
}

button:focus {
    outline: none;
}

.btn-rules, .btn-new, .btn-close {
    border: 2px solid #73AD21;
    border-radius: 25px;
}

.btn-rules:hover, .btn-new:hover, .btn-close:hover {
    border: 2px solid #EB4D4D;
}
    
.btn-rules {
    margin-right: 20px;
}

.hiderules {
    display: none;
}

.showrules {
    display: block;
    -webkit-animation: fadeIn 1s;
    animation: fadeIn 1s;
}

.popuptext {
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: +10000;
    background: #FFF;
}

.grid-container {
    display:grid;
    grid-template-columns: auto auto;
}

.displaynone {
    display: none;
}

/**********************************************
*** PLAYERS
**********************************************/

.active { 
    border: 2px solid #73AD21;
    border-radius: 25px; 
}

.player-name {
    font-size: 26px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 300;
    margin-top: 10px;
    position: relative;
}

.player-name::after {
    content: "\2022";
    font-size: 47px;
    color: #FFF;
    position: relative;    
    top: 4px;
}

.active .player-name::after {
    color: #EB4D4D;
}

.player-score {
    text-align: center;
    font-size: 80px;
    font-weight: 100;
    color: #EB4D4D;
    margin-bottom: 122px;
}

.player-controls {
    width: 100px;
    position: absolute;
    top: 220px;
    margin-right: 10px;
}

.player-controls-right {
     right: 0px;  
}

.disable-controls {
    z-index:-10000;
}

.grey {
    color:#CCC;
}

i {
    color: #EB4D4D;
    display: inline-block;
    margin-right: 15px;
    font-size: 32px;
    line-height: 1;
    vertical-align: text-top;
    margin-top: -4px;
    transition: margin 0.3s;
}

button:hover i { margin-right: 20px; }

.player-current-box {
    border-radius: 25px;
    border: 1px solid #EB4D4D;
    position: relative;
    width: 30%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 10px;
    padding: 12px;
    text-align: center;
    display: none;
}

.player-current-label {
    text-transform: uppercase;
    margin-bottom: 10px;
    font-size: 12px;
    color: #222;
}

.player-current-score {
    font-size: 30px;
}

.active .player-current-box {
    display: block;
}

.winner .player-name { color: #EB4D4D; }

/**********************************************
*** DICE
**********************************************/

.dice {
  width: 100px;
  height: 100px;
  position: absolute;
  top: 212px;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  box-shadow: 0px 10px 60px rgba(0, 0, 0, 0.10);
}

@keyframes spin {
    0% { transform: translateZ(-50px) rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    16% { transform: translateZ(-50px) rotateX(180deg) rotateY(180deg) rotateZ(0deg); }
    33% { transform: translateZ(-50px) rotateX(360deg) rotateY(90deg) rotateZ(180deg); }
    50% { transform: translateZ(-50px) rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
    66% { transform: translateZ(-50px) rotateX(180deg) rotateY(360deg) rotateZ(270deg); }
    83% { transform: translateZ(-50px) rotateX(270deg) rotateY(180deg) rotateZ(180deg); }
    100% { transform: translateZ(-50px) rotateX(360deg) rotateY(360deg) rotateZ(360deg); }
}

.cube {
  width: 100px;
  height: 100px;
  position: relative;
  transform-style: preserve-3d;
  transform: translateZ(-50px);
  transition: transform 0.8s;
}

.animation-1 {animation: spin 50s infinite linear;}

.animation-2 {animation: spin 1.6s infinite linear;}

.cube.show-1 { transform: translateZ(-50px) rotateY(0deg);}
.cube.show-2 { transform: translateZ(-50px) rotateY(-90deg);}
.cube.show-3 { transform: translateZ(-50px) rotateY(-180deg);}
.cube.show-4 { transform: translateZ(-50px) rotateY(90deg);}
.cube.show-5 { transform: translateZ(-50px) rotateX(-90deg);}
.cube.show-6 { transform: translateZ(-50px) rotateX(90deg);}

*[class^='cube_face'] {
  display: grid;
  position: absolute;
  place-items: center;
  width: 100px;
  height: 100px;
  border: 1px solid #444;
  font-size: 25px;
  font-weight: bold;
  color: #000;
  background: #FFF;
  box-shadow: inset 0 0 0 #ccc;
}

.cube_face_1 { transform: rotateY(0deg) translateZ(50px); }
.cube_face_2 { transform: rotateY(90deg) translateZ(50px); }
.cube_face_3 { transform: rotateY(180deg) translateZ(50px); }
.cube_face_4 { transform: rotateY(-90deg) translateZ(50px); }
.cube_face_5 { transform: rotateX(90deg) translateZ(50px); }
.cube_face_6 { transform: rotateX(-90deg) translateZ(50px); }
var scores, roundScore, activePlayer, cube, currentClass;

init();
  
function changeSide() {
  var dice = (Math.floor(Math.random()*6)+1);
  var showClass = 'show-' + dice;
  if (currentClass) {
    cube.classList.remove(currentClass);
  }
  cube.classList.add(showClass);
  currentClass = showClass;
  function updateScore() {
  document.querySelector('.player-controls').classList.remove('disable-controls');
  document.querySelector('.fa-dice').classList.remove('grey');
  document.querySelector('.fa-hand-holding').classList.remove('grey');
    if (dice !==1) {
      roundScore += dice;
      document.querySelector('#current-' + activePlayer).textContent = roundScore;
    } else {
      nextPlayer();
    }
  }
  setTimeout(updateScore, 2000);
}

document.querySelector('.btn-roll').addEventListener('click', function() {
  cube.classList.remove('animation-1');
  var counter = 0;
  var loopCount = 30;
  function spinCube() {
    if (++counter >= loopCount) {
        clearInterval(interval);
        cube.classList.remove('animation-2');
    } else {
        cube.classList.add('animation-2'); 
        document.querySelector('.player-controls').classList.add('disable-controls');
        document.querySelector('.fa-dice').classList.add('grey');
        document.querySelector('.fa-hand-holding').classList.add('grey');
    }
  }
  var interval = setInterval(spinCube, 60);
  changeSide();
});

document.querySelector('.btn-hold').addEventListener('click', function() {
  scores[activePlayer] += roundScore;   
  document.querySelector('#score-' + activePlayer).textContent = scores[activePlayer];
  if (scores[activePlayer] >= 20) {
    document.querySelector('#name-' + activePlayer).textContent = 'Winner!';
    document.querySelector('.player-' + activePlayer + '-panel').classList.add('winner');
    document.querySelector('.player-' + activePlayer + '-panel').classList.remove('active');
    document.querySelector('.dice').classList.add('displaynone');
    document.querySelector('.player-controls').classList.add('displaynone');
  } else {
    nextPlayer();
  }  
});

function nextPlayer() {
  activePlayer === 0 ? activePlayer = 1 : activePlayer = 0;
  roundScore = 0;
  document.getElementById('current-0').textContent = '0';
  document.getElementById('current-1').textContent = '0';
  document.querySelector('.player-0-panel').classList.toggle('active');
  document.querySelector('.player-1-panel').classList.toggle('active');
  document.querySelector('.player-controls').classList.toggle('player-controls-right');
  document.querySelector('.fa-dice').classList.toggle('fa-flip-horizontal');
  document.querySelector('.fa-hand-holding').classList.toggle('fa-flip-horizontal');
}

document.querySelector('.btn-new').addEventListener('click', init);

function init() {
  scores = [0,0];
  roundScore = 0;
  activePlayer = 0;
  cube = document.querySelector('.cube');
  currentClass = '';
  document.getElementById('score-0').textContent = '0';
  document.getElementById('score-1').textContent = '0';
  document.getElementById('current-0').textContent = '0';
  document.getElementById('current-1').textContent = '0';
  document.getElementById('name-0').textContent = 'Player1';
  document.getElementById('name-1').textContent = 'Player2';
  document.querySelector('.player-0-panel').classList.remove('winner');
  document.querySelector('.player-1-panel').classList.remove('winner');
  document.querySelector('.player-0-panel').classList.remove('active');
  document.querySelector('.player-1-panel').classList.remove('active');
  document.querySelector('.player-0-panel').classList.add('active');
  document.querySelector('.player-controls').classList.remove('player-controls-right');
  document.querySelector('.fa-dice').classList.remove('fa-flip-horizontal');
  document.querySelector('.fa-hand-holding').classList.remove('fa-flip-horizontal');
  document.querySelector('.dice').classList.remove('displaynone');
  document.querySelector('.player-controls').classList.remove('displaynone');
  cube.classList.add('animation-1'); 
}

document.querySelector('.btn-rules').addEventListener('click', function() {
  document.querySelector('.popuptext').classList.remove('hiderules');
  document.querySelector('.popuptext').classList.add('showrules');
});
    
document.querySelector('.btn-close').addEventListener('click', function() {
  document.querySelector('.popuptext').classList.remove('showrules');    
  document.querySelector('.popuptext').classList.add('hiderules');  
});

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