.message-cell .collapseTrigger:before { color: #CCC; }
.message-cell .collapseTrigger:before { content: "\f0e0"; }
.message-cell .collapseTrigger:not(.button).is-active:before { content: "\f0f3"; }
.message-cell .collapseTrigger:before { color: #CCC; }
.message-cell .collapseTrigger:before { content: "\f0e0"; }
.message-cell .collapseTrigger:not(.button).is-active:before { content: "\f0f3"; }