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