.lines{position:absolute;top:0;left:0;right:0;height:100%;margin:auto;width:90vw}.lines .line{position:absolute;width:1px;height:100%;top:0;left:50%;background:rgba(100,171,225,.1);overflow:hidden}.lines .line::after{content:'';display:block;position:absolute;height:15vh;width:100%;top:-50%;left:0;background:linear-gradient(to bottom,rgba(100,171,225,0) 0,#64abe1 75%,#64abe1 100%);animation:run 7s 0s infinite;animation-fill-mode:forwards;animation-timing-function:cubic-bezier(.4,.26,0,.97)}.lines .line:nth-child(1){margin-left:-25%}.lines .line:nth-child(1)::after{animation-delay:2s}.lines .line:nth-child(3){margin-left:25%}.lines .line:nth-child(3)::after{animation-delay:2.5s}@keyframes run{0%{top:-50%}100%{top:110%}}