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