Element block pseudo-element :before generated with display block transition border 0px rgba(0,0,0,1) solid transform opacity 1 line-height 1 box-shadow 5px 5px 8px rgba(0,0,0,0.4) border-radius cursor default font-size 16px margin 0px width 160px float none padding 20px overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto font-weight normal box-sizing content-box outline none position static background z-index auto