html {
    box-sizing: border-box;
    font-size: 10px;
    background: #87CBB9;
}

*,
*: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;
}

.container {
    position: relative;
}

.button-54 {
    font-family: 'Amatic SC', cursive;
    font-size: 30px;
    font-weight: bold;
    letter-spacing: 2px;
    text-decoration: none;
    text-transform: uppercase;
    color: #000;
    cursor: pointer;
    border: 3px solid;
    padding: 0.25em 0.5em;
    position: absolute;
    top: 75%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 1px 1px 0px 0px, 2px 2px 0px 0px, 3px 3px 0px 0px, 4px 4px 0px 0px, 5px 5px 0px 0px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.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;
    top: 30%;
}

.hole {
    flex: 1 0 33.33%;
    overflow: hidden;
    position: relative;
}

.hole:after {
    display: block;
    background: url(dirt.svg) bottom center no-repeat;
    background-size: contain;
    content: '';
    width: 100%;
    height: 70px;
    position: absolute;
    z-index: 2;
    bottom: -30px;
}

.mole {
    background: url('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;
}