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