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