body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url("../assets/img/light.jpg") no-repeat center center fixed;
    background-size: cover;
}

main {
    display: block;
    width: 75%;
    background-color: rgba(29, 29, 29, 0.247);
    color: white;
    backdrop-filter: blur(100px);
    margin: 30px auto;
    border: solid 1px #444444;
    border-radius: 13px;
    padding: 10px;
}

ul {
    margin-left: -40px;
}

li {
    list-style-type: none;
    display: inline-block;
    width: 10%;
    padding: 10px;
    text-align: center;
    user-select: none;
}

li:hover {
    background-color: rgba(0, 0, 0, 0.24);
    cursor: pointer;
}

.focus {
    border-bottom: solid 2px rgb(0, 255, 255);
}

a {
    text-decoration: none;
    color: #0ff;
    text-shadow: 0 0 5px #0ff;
    transition: color .3s, text-shadow .3s;
    cursor: pointer;
}

a:hover {
    color: #3dc9ec;
    text-shadow: 0 0 5px #3dc9ec;
}

.infobubble {
    opacity: 0;
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    background-color: #3ba55d;
    text-align: center;
    padding: 5px 10px;
    border-radius: 5px;
}

img {
    width: 45%;
    cursor: pointer;
    margin: 20px;
}

@keyframes fadeOut {
    100% {
        opacity: 0;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        background-image: url("../assets/img/dark.jpg");
    }
}