Element block pseudo-element :before generated with transition font-size 16px border 0px rgba(0,0,0,1) solid float none border-radius padding 20px position static overflow hidden display block z-index auto margin 0px width 160px background text-shadow 1px 1px 1px rgba(0,0,0,0.2) outline none line-height 1 height auto transform font-weight normal opacity 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default box-sizing content-box