A small style fix for the plus sign which expands wg state history.

 - Legacy-Id: 3627

Author: levkowetz

ietf/templates/ietfworkflows/stream_state.html

@@ -1,6 +1,6 @@
 {% if draft %}
 <div class="stream_state">
-<div class="stream_state_more" style="float: left; margin: 3px 0.5em 0 0;"><a href="{% url stream_history draft.filename %}" class="show_stream_info" title="Stream information for {{ draft.filename }}" style="text-decoration: none; color: black; "><img src="/images/plus.png"><img></a></div>
+<div class="stream_state_more" style="float: left; margin: 1px 0.5em 0 0;"><a href="{% url stream_history draft.filename %}" class="show_stream_info" title="Stream information for {{ draft.filename }}" style="text-decoration: none; color:transparent; margin: 0; padding: 0; border: 0;"><img src="/images/plus.png" style="margin: 0; padding: 0; border:0;"><img></a></div>
 {% if stream %}
 {% if state %}{{ state.name }}{% else %}{{ stream }}{% endif %}
 {% else %}