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