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