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