100个常用纯CSS图标（icono-home,icono-mail,icono-rss,icono-hamburger,icono-plus,icono-cross,icono-check,icono-power,icono-heart,icono-flag,icono-share,icono-pin,icono-locationArrow,icono-asterisk,icono-image,icono-video,icono-music,icono-document,icono-file,icono-folder,icono-smile,icono-frown,icono-meh,icono-user,icono-eye,icono-sliders,ic