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