body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #202028;
    font-family: Roboto, Helvetica, Arial, sans-serif;
    font-size: 40px;
    color: #fff;
}

#language-selector {
    position: absolute;
    right: 10px;
    top: 10px;
    font-size: 14px;
    font-weight: 300;
}

.lang {
    display: inline;
    margin-left: 10px;
    border-radius: 2px;
    padding: 4px 8px;
    cursor: pointer;
}

.lang.active {
    background-color: #3877FF;
}

#game-title {
    position: absolute;
    left: 50%;
    top: 25%;
    transform: translate(-50%, -25%);
}

#game-play, #game-reset {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 75px;
    font-size: 30px;
    box-shadow: none;
    color: #ffff;
    background: #3877FF;
    border: 0;
    border-radius: 0;
    transition: box-shadow .2s;
    cursor: pointer;
}

#game-reset {
    display: none;
    background-color: #FF0D72;
    transform: translate(-50%, -50%) translateY(85px);
}

#game-play:hover, #game-play:active, #game-play:focus {
    outline: none;
    box-shadow: 3px 4px 0 3px rgba(0,0,0,0.2);
}
#background {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
}

#background.blurred {
    filter: url(#f1);
}

#tetris {
    position: absolute;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    margin: 20px 0;
    border: solid .2em #fff;
}

#score, #controls {
    position: absolute;
    font-weight: 900;
    top: 50%;
    right: 75%;
    transform: translate(-50%, -50%);
}

#score:before {
    content: attr(data-prefix);
}

#controls {
    left: 75%;
    right: 0;
    font-size: 20px;
    font-weight: 300;
    transform: translate(0, -50%);
}