Element block pseudo-element :before generated with margin 0px transition height auto border 1px rgba(180,180,180,1) solid box-shadow 0px -2px 0px rgba(0,0,0,0.3) width 160px border-radius box-sizing content-box overflow hidden cursor default opacity 0.85 transform line-height 1 font-size 16px display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) outline none background position static font-weight normal z-index auto padding 20px float none