Element block pseudo-element :before generated with text-shadow transition font-size 16px box-sizing border-box overflow hidden border 2px rgba(97,181,237,1) solid font-weight normal height 0px background z-index auto width 0px transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) outline none position relative line-height 1 border-radius padding 20px float left display inline-block cursor default margin 0px opacity 1