*{
    margin: 0;
    padding: 0;
    image-rendering: pixelated;
}

.start-screen{
    display: block;
}

#background-texture{
    display: none;
}
#music-change{
    filter: grayscale(90%) brightness(50%);
}
#music-change>div{
    cursor: default;
}

img.start-screen{
    width: 50%;
    max-width: 600px;
}

@keyframes floating{
    0%{padding-top: 100px;}
    100%{padding-top: 125px;}
}

body{
    background-color: black;
    font-family: monospace;
}

#start-game{
    width: 15%;
    cursor: pointer;
    transition: 0.2s;
    max-width: 240px;
}
#start-game:hover{
    width: 16%;
    max-width: 256px;
}

div.start-screen{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/bgtexture.gif);
    background-size: 128px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding-bottom: max(100px, calc(500px - 30vw));
    animation: floating 3s infinite;
    animation-direction: alternate;
    animation-timing-function: ease-in-out;
}