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