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