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