Element block pseudo-class :active generated with border-radius float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px padding 20px overflow hidden font-weight normal line-height 1 position static width 160px font-size 16px transition box-sizing content-box cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block background z-index auto border 0px rgba(0,0,0,1) solid height auto transform