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