*,*::after,*::before {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
@font-face {
    font-family: 'Arcade Classic';
    src: url('arcade_classic.woff2') format('woff2');
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    align-items: center;
    justify-content: flex-start;
}
#container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("background.jpg");
    background-color: #cccccc;
    height: 100%;
    background-position: center; background-repeat: no-repeat; background-size: cover; filter: grayscale(1.5); filter: saturate(0.5);
    z-index: -1;
}
header {
    padding: 4rem 0;
}
header h1 {
    font-family: 'Arcade Classic', sans-serif;
    font-size: 25vw;
    color: rgb(97, 7, 7);
    text-shadow: #FC0 1px 0 50px;
    user-select: none;
}
main { padding: 2rem 0;}
main button {
    background-color: red;
    color: yellow;
    padding: 1rem 2rem;
    text-transform: uppercase;
    font-family: 'Arcade Classic', sans-serif;
    font-size: 3vw;
    user-select: none;
}
main button:hover {
    background-color: green;
    cursor: pointer;
}
footer {
    padding-top: 3rem;
}
footer p {
    font-family: 'Arcade Classic', sans-serif;
    color: rgb(162, 130, 0);
    background-color: #000;
    text-align: center;
}