Element block pseudo-class :active generated with overflow hidden padding 20px transform box-sizing content-box position static font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid box-shadow 2px 2px 2px rgba(0,0,0,0.5) background line-height 1 transition height auto cursor default margin 0px float none z-index auto font-weight normal display block width 100% border-radius