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