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