body {
    font-family: "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック体", "YuGothic", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", "Meiryo", "verdana", sans-serif;
    margin: 0;
    min-height: 100vh;
    color: rgba(255, 255, 255, 0.87);
    background-color: #242424;
}

a {
    color: #646cff;
    text-decoration: none;
}

a:hover {
    color: #535bf2;
}

ul {
    list-style: none;
    padding: 0;
}

main {
    text-align: center;
    padding-top: 100px;
}