Element button pseudo-class :active generated with opacity 1 overflow hidden display block margin 0px border 0px rgba(0,0,0,1) solid transition border-radius font-weight normal box-sizing content-box font-size 100% line-height normal float none height 100px padding 0px transform outline none background width 400px position absolute z-index auto text-shadow box-shadow 0px 0px 11px rgba(255,255,255,0.5) cursor default