Element block pseudo-element :before generated with border-radius height auto display block z-index auto transition line-height 1 padding 20px overflow hidden margin 0px float none border 0px rgba(0,0,0,1) solid font-size 16px box-shadow 1px 2px 2px rgba(0,0,0,0.51) box-sizing content-box width 160px transform cursor default font-weight normal background position static text-shadow 1px 1px 1px rgba(0,0,0,0.2)