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