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