html {
    box-sizing: border-box;
    font-size: 10px;
    background: #ffc600;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    padding: 0;
    margin: 0;
    font-family: 'Amatic SC', cursive;
}

h1 {
    text-align: center;
    font-size: 10rem;
    line-height: 1;
    margin-bottom: 0;
}

button {
    -moz-user-select: none;
    -ms-touch-action: manipulation;
    -ms-user-select: none;
    -webkit-user-select: none;
    background-image: none;
    background: #d0996b;
    border-radius: 4px;
    border: 1px solid transparent;
    color: white;
    cursor: pointer;
    display: block;
    font-size: 18px;
    font-weight: 400;
    line-height: 1.42857143;
    margin-bottom: 0;
    margin: 30px auto 10px;
    padding: 10px 12px;
    text-align: center;
    touch-action: manipulation;
    user-select: none;
    vertical-align: middle;
    white-space: nowrap;
    width: 200px;
}

.score {
    background:rgba(255,255,255,0.2);
    padding:0 3rem;
    line-height:1;
    border-radius:1rem;
}
  
.game {
    width:600px;
    height:400px;
    display:flex;
    flex-wrap:wrap;
    margin:0 auto;
}
  
.hole {
    flex: 1 0 33.33%;
    overflow: hidden;
    position: relative;
}
  
.hole:after {
    display: block;
    background: url('images/dirt.svg') bottom center no-repeat;
    background-size:contain;
    content:'';
    width: 100%;
    height:70px;
    position: absolute;
    z-index: 2;
    bottom:-30px;
}
  
.mole {
    background:url('images/mole.svg') bottom center no-repeat;
    background-size:60%;
    position: absolute;
    top: 100%;
    width: 100%;
    height: 100%;
    transition:all 0.4s;
}
  
.hole.up .mole {
    top:0;
}