Element block pseudo-element :after generated with z-index auto overflow hidden border-radius transition position static font-size 16px transform box-sizing content-box width 160px font-weight normal margin 0px float none display block border 0px rgba(0,0,0,1) solid background line-height 1 padding 20px opacity 0.63 cursor default box-shadow 4px 4px 8px rgba(0,0,0,0.2) height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2)