swaous.asuscomm.com/french-pub/CAone/main.css

@keyframes bounce {
    0% {
        margin-top: 0px;
    }
    25% {
        margin-top: 100px;
    }
    50% {
        margin-top: 0px;
    }
    75% {
        margin-top: -100px;
    }
    100% {
        margin-top: 0px;
    }
}

@font-face {
    font-family: "Cantarell var";
    font-weight: 100 900;
    font-display: swap;
    font-style: normal;
    font-named-instance: "Regular";
    src: url("https://swaous.asuscomm.com/Cantarell-VF.otf") format("opentype");
}

* {
    font-family: Cantarell;
    margin: 0px;
    padding: 0px;
    text-align: center;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
    overflow: hidden;
}

body{
    overflow-y: hidden;
}

#head {
    width: 100vw;
    height: 100vh;
    background-color: white;
    transition: background-color 3s;
    position: relative;
}

#head-inner {
    position: absolute;
    display: inline-block;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
}

#scrollDown {
    position: absolute;
    top: 80%;
    left: 50%;
    transform: translate(-50%, -100%);
    display: none;
    color: green;
    font-family: monospace;
    font-weight: bold;
    font-size: 1.5em;
    animation-name: bounce;
    animation-duration: 2s;
    animation-iteration-count: infinite;
}

#scrollDown.ready {
    display: inline;
}

.page {
    width: 100vw;
    height: 100vh;
    position: absolute;
    top: 0px;
    left: 0px;
}

#secondpage {
    background-color: black;
    color: white;
}

#thirdpage {
    background-color: black;
}

#thirdpage > div > p{
    background-image: linear-gradient(to right, blue 33%, white 33%, white 66%, red 66%);
    background-clip: text;
    color: transparent;
    font-weight: bold;
    font-size: 1.5em;
}

#fourthpage > div > ol > li {
    text-align: left;
    margin-bottom: 1em;
}

ol {
    height: 20vh;
    overflow: hidden;
}

li {
    margin-left: 5ch;
    overflow: visible;
}

#firstpage {
    background-color: white;
}

.page > div {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: left;
    max-width: 60vw;
}

b {
    color: green;
}

#final {
    height: 100vh;
    overflow: hidden;
}

#final-inner {
    position: fixed;
    top: 50%;
    width: 100vw;
    padding-left: 25vw;
    padding-right: 25vw;
    box-sizing: border-box;
    color: white;
    font-weight: bold;
    overflow: visible;
}

#youfinished {
    position: absolute;
    top: 250%;
    left: 50%;
    transform: translate(-50%, -100%);
    color: green;
    font-family: monospace;
    font-weight: bold;
    font-size: 1.5em;
    animation-name: bounce;
    animation-duration: 2s;
    animation-iteration-count: infinite;
}

img{
    box-sizing: border-box;
    padding-left: 20%;
    padding-right: 20%;
    max-width: 100%;
    transition: padding 1s;
}

img:hover {
    padding-left: 10%;
    padding-right: 10%;
}