body {
    background: #abf;
    font-family: comicsans;
    padding-top: 45px;
    font-size: 15px;
}
user agent stylesheet
body {
    display: block;
    margin: 8px;
}
body::before {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.4) 50%), linear-gradient(89deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 2;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}
body::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(18, 16, 16, 0.1);
    opacity: 0;
    z-index: 2;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}
body {
font-family: 'Press Start 2P', cursive;
    display: block;
    margin: 8px;
}
}
body {
    color: #313aa5;
}
body {
    background: url(https://i.imgur.com/rKgeEHo.png);
    center fixed: ;
    font-family: monospace;
    background-size: 2000px 1333px;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    text-align: center;
    animation: 0.7s ease-out 0s 1 expandDong;
}
body {
    background: #fff;
    font-family: Arial;
    padding-top: 45px;
    font-size: 15px;
}
user agent stylesheet
body {
    display: block;
    margin: 8px;
}