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