Element block pseudo-element :after generated with margin 0px transition border-radius box-sizing content-box background width 100% transform display block padding 20px border 0px rgba(0,0,0,1) solid overflow hidden font-weight bold cursor default font-size 25px box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none line-height 0 height 2% position static