Element block pseudo-element :before generated with float none display block margin 5px cursor default opacity 1 outline none padding 5px box-sizing content-box transition height 15px background position static overflow hidden status transform font-size 11px border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto width 160px line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal border 1px rgba(255, 255, 255, 0) solid