Element block pseudo-class :active generated with box-sizing border-box box-shadow 3px 3px 6px rgba(0,0,0,0.3) width 400px line-height 2 border-radius transition overflow hidden padding 20px float none background text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px font-weight normal font-size 18px border 0px rgba(0,0,0,1) solid height auto z-index auto position relative transform display block cursor default opacity 0.78