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