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