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