Element button pseudo-element :after generated with transition overflow visible opacity 1 padding 20px border 1px #b7b7b7 solid font-size 16px z-index auto cursor default transform height auto box-sizing content-box font-weight normal text-shadow 1px 1px 0px rgba(255,255,255,0.66) outline none margin 0px display inline-block position static box-shadow 0px 0px 2px rgba(0,0,0,0.5) line-height normal border-radius background width auto float none