main.css

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&family=Racing+Sans+One&family=Raleway:ital,wght@0,100..900;1,100..900&display=swap');


*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body{
    width: 100%;
    height: 100%;
    /*font-family: "Roslindale Display Condensed";*/
    font-family: "Raleway" , sans-serif;
    background: #000;
    overflow-x: hidden;
}

img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

a{
    text-decoration: none;
    color: #fff;
    font-size: 20px;
}

h1{
    width: 100%;
    color: #fff;
    font-size: 30vw;
    font-weight: 300;
    text-align: center;
    margin: 0;
}

.container{
    width: 100%;
    height: 1200vh;
}

.wrapper-404{
    position: absolute;
    top: 0;
    width: 400vw;
    height: 100vh;
    will-change: transform;
}

.card{
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 20px;
    overflow: hidden;
}
#card-1{
    top: 50%;
    left: 20%;
}
#card-2{
    top: 25%;
    left: 40%;
}
#card-3{
    top: 45%;
    left: 60%;
}
#card-4{
    top: 15%;
    left: 80%;
}

/*partie*/

.outro{
    text-align: center;
    position: absolute;
    top: 150vh;
    width: 100%;
    height: 100vh;
}

.outro h1{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: max-content;
    font-size: 40px;
    font-weight: lighter;
    
}

.button-see {
    position: absolute;
    padding: 10px 50px;
    border: none;
    border-radius: 50px;
    background: #f6dc04;
    color: #000;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    top: 65%;
    left: 45%;
    -webkit-border-radius: 50px;
    -moz-border-radius: 50px;
    -ms-border-radius: 50px;
    -o-border-radius: 50px;
}

.button-see:hover {
    background: #e5c304;
    box-shadow: 0px 4px 20px rgba(255, 255, 0, 0.5);
}

/*effect transition */

.button-see::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background-color: #f6dc04;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.8s ease, height 0.8s ease;
    z-index: -1;
}

.button-see.active::before {
    width: 3000px;
    height: 3000px;
    background-color: #000;
}

/* Responsive Design */

@media(max-width: 900px){
    .wrapper-404{
        padding-top: 15em;
    }
    .outro h1{
        font-size: 13px;
    }
    .card{
        width: 150px;
        height: 150px;
    }
    .button-see {
        top: 55%;
        left: 30%;
    }
}