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