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

img {
    width: 100%;
    height: 70vh;
    object-fit: cover;
}

section {
    position: relative;
    height: 70vh
}

article {
    position: absolute;
    width: 100%;
    top: 0;
    display:none;
}

.fa-arrow-right {
    position: absolute;
    right: 1rem;
    top: 50%;
    color: #fff;
}
.fa-arrow-left{
    position:absolute;
    top:50%;
    color:#fff;
    left:1rem
}
article h3{
    position:absolute;
    top:50%;
    left:50%;
    font-size:3rem;
    color: transparent;
    transform:translate(-50%, -50%);
    background:linear-gradient(to right,red,blue);
    background-clip: text;
    animation:5s flowingtext infinite;
}
@keyframes flowingtext {
    0%{
        background-size: 0%;
    }
    50%{
        background-size: 100%;
    }
}