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