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