body {
    margin: auto;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    overflow: auto;
    background: linear-gradient(315deg, rgba(101,0,94,1) 3%, rgba(60,132,206,1) 38%, rgba(48,238,226,1) 68%, rgba(255,25,25,1) 98%);
    animation: gradient 15s ease infinite;
    background-size: 110% 110%;
    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);
    }

    .container {
     height: 100vh;
     max-width: 600px;
     margin: auto;
     display: flex;
     flex-direction: column;
     justify-content: center;
     padding: 1rem;
    }

    .header {
     margin: 0.25rem 0;
     font-size: 2.5rem;
    }

    p {
     margin: 0.5rem 0;
     font-size: 22px;
    }


    /* animation class and keyframes */
    .overflow-hidden {
     overflow: hidden;
    }

    .drop-in {
     animation: drop-in 1s ease 200ms backwards;
    }

    .drop-in-2 {
     animation: drop-in 1200ms ease 500ms backwards;
    }

    @keyframes drop-in {
     from {
      opacity: 0;
      transform: translateY(-100px);
     }
     to {
      opacity: 1;
      transform: translate(0px);
     }


}