H2O: Forum icon options
H2O uses FontAwesome CSS icons to differentiate between read / unread states. This allows faster loading times and lossless quality on all devices.
Changing icon image
The icon values are defined in:
/* Set the icons */ /* Megaphone */
.global_read:before {content: "f0a1";}
.global_read_mine:before {content: "f0a1";}
.global_read_locked:before {content: "f0a1";}
.global_read_locked_mine:before {content: "f0a1";}
.global_unread:before {content: "f0a1";}
.global_unread_mine:before {content: "f0a1";}
.global_unread_locked:before {content: "f0a1";}
.global_unread_locked_mine:before {content: "f0a1";}
/* Megaphone */
.announce_read:before {content: "f0a1";}
.announce_read_mine:before {content: "f0a1";}
.announce_read_locked:before {content: "f0a1";}
.announce_read_locked_mine:before {content: "f0a1";}
.announce_unread:before {content: "f0a1";}
.announce_unread_mine:before {content: "f0a1";}
.announce_unread_locked:before {content: "f0a1";}
.announce_unread_locked_mine:before {content: "f0a1";}
/* External link */
.forum_link:before {content: "f08e";}
/* Speech Bubble */
.forum_read:before {content: "f068";}
.forum_read_subforum:before {content: "f068";}
/* Check */
.forum_unread:before {content: "f00c";}
.forum_unread_subforum:before {content: "f00c";}
/* Pin */
.sticky_read:before {content: "f08d";}
.sticky_read_mine:before {content: "f08d";}
.sticky_read_locked:before {content: "f08d";}
.sticky_read_locked_mine:before {content: "f08d";}
.sticky_unread:before {content: "f08d";}
.sticky_unread_mine:before {content: "f08d";}
.sticky_unread_locked:before {content: "f08d";}
.sticky_unread_locked_mine:before {content: "f08d";}
/* Right arrow */
.topic_moved:before {content: "f061";}
/* Envelope */
.pm_read:before {content: "f0e0";}
.pm_unread:before {content: "f0e0";}
/* Bar */
.topic_read:before {content: "f068";}
.topic_read_mine:before {content: "f068";}
.topic_read_hot:before {content: "f068";}
.topic_read_hot_mine:before {content: "f068";}
/* Tick */
.topic_unread:before {content: "f00c";}
.topic_unread_mine:before {content: "f00c";}
.topic_unread_hot:before {content: "f00c";}
.topic_unread_hot_mine:before {content: "f00c";}
/* Cross */
.forum_read_locked:before {content: "f00d";}
.forum_unread_locked:before {content: "f00d";}
.topic_read_locked:before {content: "f00d";}
.topic_read_locked_mine:before {content: "f00d";}
.topic_unread_locked:before {content: "f00d";}
.topic_unread_locked_mine:before {content: "f00d";}
Milk uses FontAwesome 4.7 icons to represent read / unread states. After finding the new icon you want to use, open its page on the FontAwesome website where you'll be able to grab the unicode value.
Replace the unicode value above as necessary.