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