.container{display:flex;align-items:center;text-align:center;height:calc(100vh - 76px)}#lblHexColor{flex:1;z-index:2;cursor:default;user-select:none;font-family:monospace;font-size:5em;margin:0;color:#fff;text-shadow:3px 3px 7px rgba(0,0,0,.7)}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;transition:background-color .1s ease}