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