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