body {
    padding: 0;
    margin: 0;
    font-family: 'PT Mono', serif;
    color: #ffffff;
}

canvas {
    display: block;
    background-color: #000000;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
}

.start{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    padding: 16px;
    text-align: center;
}

.start p {
    color: #ffffff;
    font-family: 'PT Mono', serif;
}

.score_item {
    color: #ffffff;
    font-family: 'PT Mono', serif;
    font-size: 12px;
    line-height: 12px;
    text-align: right;
}


.start h1 {
    color: #ffffff;
    font-family: 'PT Mono', serif;
    padding-bottom: 10px;
}

.rocket {
    z-index: 1;
    position:absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    margin:auto;
}

button{
    border: 4px solid #ffffff;
    background-color: transparent;
    color: #ffffff;
    font-size: 20px;
    padding: 10px 20px;
    margin: 20px;
    font-family: 'PT Mono', serif;
    cursor: pointer;
}
button:hover{
    background-color: #ffffff;
    color: #000000;
}

.current-score {
    left: 20px;
    font-family: 'PT Mono', serif;
    color: #ffffff;
}
.top-score {
    right: 20px;
    font-family: 'PT Mono', serif;
    color: #ffffff;
}
.score {
    display: block;
    position: absolute;
    top: 15px;
    z-index: 1;
    font-size: 20px;
    font-family: 'PT Mono', serif;
    color: #ffffff;
}
.controls {
    display: block;
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translate(-50%, 0);
    z-index: 1;
    font-size: 11px;
    text-align: center;
    line-height: 1.6;
    font-family: 'PT Mono', serif;
    color: #ffffff;
}