@keyframes crazyBG {
    0% {
        background-color: black;
    }
    20% {
        background-color: black;
    }
    40% {
        background-color: #033;
    }
    60% {
        background-color: black;
    }
    80% {
        background-color: #330;
    }
    100% {
        background-color: black;
    }
}
body {
    animation-name: crazyBG;
    animation-duration: 5s;
    animation-iteration-count: infinite;
}
#badass-bg {
    z-index: -1605;
    position: fixed;
    width: 100vw;
    height: 100vh;
    background-image: linear-gradient(transparent, black, black);
}
.contents {
    display: flex;
    margin: 0 auto 0 auto;
    width: 1094px;
}
.content {
    border: 1px solid white;
}
.thumbnail {
    cursor: pointer;
    border: 1px solid white;
    color: #ff6;
    box-shadow: 3px 3px black;
    width: 160px;
    height: 90px;
    margin: 8px;
}
.central-content {
    margin: auto;
    background-image: url("../assets/tex0.png");
    width: 640px;
}
.content-text {
    font-size: x-large;
}
@media screen and (max-width:1094px) {
    .contents {
        width: 640px;
    }
    .side-content {
        display: none;
    }
    .central-content {
        margin: 0 0 0 0;
        width: 640px;
    }
}
@media screen and (max-width:640px) {
    .contents {
        width: 100%;
    }
    .central-content {
        background-image: none;
        border: none;
        width: 100%;
    }
}
@keyframes rainbow {
    0% {
        background-color: #600;
    }
    17% {
        background-color: #660;
    }
    33% {
        background-color: #060;
    }
    50% {
        background-color: #066;
    }
    66% {
        background-color: #006;
    }
    83% {
        background-color: #606;
    }
    100% {
        background-color: #600;
    }
}
.rainbow {
    animation-name: rainbow;
    animation-duration: 1s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}