style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

::-webkit-scrollbar {
    height: 5px;                     
    border: 1px solid #d5d5d5;
  }

::-webkit-scrollbar-track {
      background: #1e1e24;
}

::-webkit-scrollbar-thumb {
background: crimson;
}
.container {
    display: flex;
    scroll-snap-type: x mandatory;
    overflow-x: scroll;
    width: 100vw;
    height: 100vh;
}

div {
    min-width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    scroll-snap-align: start;
}

h1 {
    color: white;
    font-size: 3rem;
}

.first {
    background: #12232E;
    position: relative;
}

.first h2 {
    position: absolute;
    color: rgb(187, 187, 187);
    font-size: 1.3rem;
    top: 2rem;
}

@-webkit-keyframes arrow-animation {
    0% {
    -webkit-transform: translateX(-20px);
    }
    100% {
    -webkit-transform: translateX(0px);
    }
    }

.fa-arrow-right {
    position: absolute;
    right: 5rem;
    bottom: 5rem;
    color: white;
    font-size: 3rem;
    -webkit-animation: arrow-animation 0.7s linear 0s infinite alternate;
    animation: arrow-animation 0.7s linear 0s infinite alternate;
}

.second {
    background: #194f92;
}

.third {
    background: #8458B3;
    position: relative;
}

.fa-arrow-left {
    position: absolute;
    right: 5rem;
    bottom: 5rem;
    color: white;
    font-size: 3rem;
    -webkit-animation: arrow-animation 0.7s linear 0s infinite alternate;
    animation: arrow-animation 0.7s linear 0s infinite alternate;
}