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