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