lottery/website/wwwroot/css/wave.css

body {
    background: radial-gradient(ellipse at center, rgba(255, 254, 234, 1) 0%, rgba(255, 254, 234, 1) 35%, #b7e8eb 100%);
    overflow: hidden;
}

.ocean {
    height: 5%;
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    background: #015871;
}

.wave {
    background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/85486/wave.svg) repeat-x;
    position: absolute;
    top: -198px;
    width: 6400px;
    height: 198px;
    animation: wave 7s cubic-bezier(0.36, 0.45, 0.63, 0.53) infinite;
    transform: translate3d(0, 0, 0);
}

.wave:nth-of-type(2) {
    top: -175px;
    animation: wave 7s cubic-bezier(0.36, 0.45, 0.63, 0.53) -0.125s infinite, swell 7s ease -1.25s infinite;
    opacity: 1;
}

@keyframes wave {
    0% {
        margin-left: 0;
    }

    100% {
        margin-left: -1600px;
    }
}

@keyframes swell {
    0%, 100% {
        transform: translate3d(0, -25px, 0);
    }

    50% {
        transform: translate3d(0, 5px, 0);
    }
}