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