Element block pseudo-element :before generated with margin 10px cursor default border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 background width 20px padding 10px float none box-sizing content-box transition z-index auto transform font-size 16px border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) outline none font-weight normal position static display block opacity 1 overflow hidden height 20px