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