Element block pseudo-element :after generated with height auto z-index auto padding 20px position static transform box-sizing content-box background cursor default width 160px border 0px rgba(0,0,0,1) solid display block font-weight normal line-height 1 transition overflow hidden font-size 16px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none margin 0px box-shadow 1px 1px 1px rgba(2,2,2,0.3)