CSS蛇边界按钮动效

使用CSS实现的蛇边界按钮动效，边框不断的流动效果，鼠标悬停触发高亮显示的效果。

@keyframes move1 {
            0%{
                transform: translateX(-100%);
            }
            100%{
                transform: translateX(100%);
            }
        }
        .night span:nth-child(2){
            top: 0;
            right: 0;
            width: 2px;
            height: 100%;
            transform: translateY(-100%);
            background-image: linear-gradient(to bottom,  transparent ,  rgb(0, 153, 255)  );            
            animation: move2 2s linear infinite;
            animation-delay: 1s;
        }
        @keyframes move2 {
           
            100%{
                transform: translateY(100%);
            }
        }
        .night span:nth-child(3){
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background-image: linear-gradient(to left, transparent , rgb(0, 153, 255) );
            animation: move3 2s linear infinite;
        }
        @keyframes move3 {
            0%{
                transform: translateX(100%);
            }
            100%{
                transform: translateX(-100%);
            }
        }
        .night span:nth-child(4){
            top: 0;
            left: 0;
            width: 2px;
            height: 100%;
            transform: translateY(100%);
            background-image: linear-gradient(to top, transparent , rgb(0, 153, 255) );
            animation: move4 2s linear infinite;
            animation-delay: 1s;
        }
        @keyframes move4 {
            100%{
                transform: translateY(-100%);
            }
        }