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