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