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