Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid box-sizing content-box font-weight normal outline none cursor default z-index auto font-size 100% text-shadow border-radius transition opacity 1 height 22px width 22px display block line-height normal overflow visible float none margin 0px box-shadow 0px 0px 1px rgba(255,255,255,0.5) padding 0px position static background transform