.shineline{position:absolute;width:1px;height:100%;top:0;left:50%;background:rgba(255,255,255,.1);overflow:hidden}.shineline:after{content:"";display:block;position:absolute;height:15vh;width:100%;top:-50%;left:0;background:linear-gradient(to bottom,rgba(255,255,255,0) 0%,#fff 75%,#fff 100%);-webkit-animation:drop 7s 0s infinite;animation:drop 7s 0s infinite;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-timing-function:cubic-bezier(.4,.26,0,.97);animation-timing-function:cubic-bezier(.4,.26,0,.97)}.shineline:nth-child(1){margin-left:calc(-25% - 23.75px)}.shineline:nth-child(1):after{-webkit-animation-delay:2s;animation-delay:2s}.shineline:nth-child(3){margin-left:calc(25% + 23.75px)}.shineline:nth-child(3):after{-webkit-animation-delay:2.5s;animation-delay:2.5s}@-webkit-keyframes drop{0%{top:-50%}100%{top:110%}}@keyframes drop{0%{top:-50%}100%{top:110%}}