ul{list-style-type:none;margin:0}a{font-size:larger;text-decoration:none}main{position:absolute;margin-left:30px}#bg{position:fixed;top:0;left:0}#lists{display:flex}:root{--light: #bababa;--dark: #999999;--transition-time: .3s}.dark{background-color:#202020;color:var(--light)}.dark .title{color:var(--light)}.dark .title span{color:var(--dark)}.dark a{color:var(--dark);transition:color var(--transition-time) ease}.dark a:hover{color:var(--light)}