Fix header color for streams/channels

gistfile1.css

.message_list {
  background-color: transparent !important;
}

.recipient_row {
  border: none !important;
}
.recipient_row .left_part {
  background-color: transparent !important;
}
.recipient_row .right_part {
  border: 1px solid #888 !important;
  border: none !important;
  border-radius: 4px 4px 0 0 !important;
}
.message_header {
  font-weight: normal !important;
  font-size: 0 !important; /* Get rid of the > */
  line-height: 16px !important;
}

.message_header .message_label_clickable, 
.message_header input {
  font-size: 14px !important;
}

.stream_label:after {
  content: ".";
}
    
.messagebox {
  border: none !important;
}

.message_content {
  margin-left: 0 !important;
}

.sender_name {
  color: #555;
}