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