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