html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center;
    animation: moveBackground 15s linear infinite;
    background-color: black;
}

@media (max-width: 768px) {
    body {
        background-size: auto 100vh; /* Adjust the height to fit the mobile screen */
    }
}

.col img {
    height: 7vh;
    width: auto;
    margin-bottom: 1vh;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0));
    z-index: 1;
    pointer-events: none;
}

@keyframes moveBackground {
    0% {
        background-position: left center;
    }
    100% {
        background-position: right center;
    }
}

.container {
    padding-top: 5vh;
}

.text-link {
    background-color: rgba(223, 223, 223, 0.5);
    font-size: 70%;
    width: auto;
    white-space: nowrap;
    padding: 0.3em;
    border-radius: 0.3em;
    color: #000;
    text-decoration: none;
}