dialog{margin-top:9rem;border:none;border-radius:.75rem;width:88%;min-height:10rem;max-width:400px;box-sizing:border-box;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a}dialog::backdrop{background-color:#00000040}#left-div{resize:horizontal;overflow:hidden;resize:both;cursor:ew-resize}#left-div:after{content:"";background-color:#000;width:8px;height:100%;position:absolute;right:0;top:0;cursor:ew-resize}