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