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