Element block pseudo-element :before generated with display block transform z-index auto overflow hidden box-sizing content-box width auto box-shadow font-weight normal height auto margin 0px line-height 1 padding 20px position static background border 1px rgba(0,0,0,.2) solid border-radius outline none cursor default font-size 16px float none opacity 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition