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