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