Element block pseudo-element :after generated with background box-sizing content-box margin 0px font-size 18px outline none transition width 100% float left position static display block opacity 1.00 line-height 5 border 0px rgba(0,0,0,1) solid z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow transform height 0px overflow hidden padding 20px font-weight normal cursor pointer border-radius