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