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