.cover{
    width: 100vw;
    height: 100vh;
    background-image: linear-gradient(to bottom right, #8080c0, #a2a2d1);
}

.scroll-down{
    position:absolute;
    left:50%;
    bottom:5vh;
    height:10vh;
}

.scroll-down:after{
    content: "";
    position: absolute;
    bottom: 15vh;
    width: 1px;
    height: 7vh;
    background: #eee;
    animation: pathmove 1.4s ease-in-out infinite;
    opacity:0;
}

@keyframes pathmove{
    0%{
        height:0;
        top:0;
        opacity: 0;
    }
    30%{
        height:5vh;
        opacity: 1;
    }
    100%{
        height:0;
        top:7vh;
        opacity: 0;
    }
}