.main-div {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    border-radius: 24px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    min-height: 60vh;
    background: rgba(0, 58, 54, 0.73);
    color: white;
    margin: 120px;
}

.link-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 24px;
    background: rgba(0, 58, 54, 0.6);
    border-radius: 12px;
    padding: 24px;
    width: 80%;
}

.flex-row {
    display: flex;
    flex-direction: column;
}

h1 {
    font-size: 120px;
    margin-bottom: 20px;
}

body {
    margin: auto;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: auto;
    background: linear-gradient(315deg, rgb(0, 58, 54) 3%, rgb(0, 132, 127) 38%, rgba(48,238,226,1) 68%, rgb(100, 195, 205) 98%);
    animation: gradient 30s ease infinite;
    background-size: 400% 400%;
    background-attachment: fixed;

}

@keyframes gradient {
    0% {
        background-position: 0% 0%;
    }
    50% {
        background-position: 100% 100%;
    }
    100% {
        background-position: 0% 0%;
    }
}

.wave {
    background: rgb(255 255 255 / 25%);
    border-radius: 1000% 1000% 0 0;
    position: fixed;
    width: 200%;
    height: 12em;
    animation: wave 10s -3s linear infinite;
    transform: translate3d(0, 0, 0);
    opacity: 0.8;
    bottom: 0;
    left: 0;
    z-index: -1;
}

.wave:nth-of-type(2) {
    bottom: -1.25em;
    animation: wave 18s linear reverse infinite;
    opacity: 0.8;
}

.wave:nth-of-type(3) {
    bottom: -2.5em;
    animation: wave 20s -1s reverse infinite;
    opacity: 0.9;
}

@keyframes wave {
    2% {
        transform: translateX(1);
    }

    25% {
        transform: translateX(-25%);
    }

    50% {
        transform: translateX(-50%);
    }

    75% {
        transform: translateX(-25%);
    }

    100% {
        transform: translateX(1);
    }
}

@media screen and (max-width: 768px) {
    h1 {
        font-size: 60px;
    }
    .flex-row {
        flex-direction: column;
    }
    .main-div {
        margin: 20px;
    }
    .link-container {
        margin: 12px;
    }
    .wave {
        height: 6em;
    }
}