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