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