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