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