use materials icons expand_less/expand_more

Signed-off-by: Galen Charlton <gmc@equinoxinitiative.org>

diff --git a/Open-ILS/src/eg2/src/app/staff/acq/provider/summary-pane.component.html b/Open-ILS/src/eg2/src/app/staff/acq/provider/summary-pane.component.html
index 04d4b6e..e0296b5 100644 (file)
--- a/Open-ILS/src/eg2/src/app/staff/acq/provider/summary-pane.component.html
+++ b/Open-ILS/src/eg2/src/app/staff/acq/provider/summary-pane.component.html
@@ -1,5 +1,5 @@
-<button class="btn btn-primary" [hidden]="!collapsed" (click)="toggleCollapse()" type="submit" i18n>&lt;&gt;</button>
-<button class="btn btn-primary" [hidden]="collapsed" (click)="toggleCollapse()" type="submit" i18n>&gt;&lt;</button>
+<button class="btn" [hidden]="!collapsed" (click)="toggleCollapse()" type="submit" i18n><span class="material-icons">expand_more</span></button>
+<button class="btn" [hidden]="collapsed" (click)="toggleCollapse()" type="submit" i18n><span class="material-icons">expand_less</span></button>
 
 <div id="acq-provider-summary-pane" [hidden]="collapsed" class="pl-3 pr-3 pt-3 pb-3 mb-3">