Element button pseudo-element :after generated with transition box-shadow 2px 2px 2px rgba(0,0,0,0.2) border-radius box-sizing content-box margin 0px position static text-shadow 1px 1px 0px rgba(255,255,255,0.66) width 18px cursor default height 18px padding 20px line-height normal font-size 16px transform z-index auto font-weight bold overflow visible display inline-block background float none border 1px #b7b7b7 solid