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