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