Pending Diffferent "Broadcast" messages for Dark mode

[ToxicGamer329]

A little more darker colour for The Broadcast messages?
For Example
-->

.broadcast-blue {
    background-color: #68a;
    color: #fff;
    padding: 2px 4px;
}

Becomes
-->

.broadcast-blue {
    background-color: #3787d7;
    color: #fff;
    padding: 2px 4px;
}