Element block pseudo-element :before generated with box-sizing content-box line-height 1 transform overflow visible font-weight normal transition position static font-size 16px background border-radius cursor default width auto box-shadow 4px 4px 6px rgba(0,0,0,0.4) padding 0px z-index auto float none height auto border 0px rgba(0,0,0,1) solid margin 0px display block text-shadow opacity 1 outline none