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