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