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