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