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