fix: inconsistent column widths in People widget

Fix #1070

assets/sass/academic/_widgets.scss

@@ -513,13 +513,13 @@ ul.ul-edu li .description p.institution {
 }
 
 @media (min-width: 576px) {
-  .people-widget  .col-sm-auto {
-    max-width: 30% !important;
+  .people-widget .col-sm-auto {
+    width: 30%;
   }
 }
 @media (min-width: 992px) {
-  .people-widget  .col-sm-auto {
-    max-width: 20% !important;
+  .people-widget .col-sm-auto {
+    width: 20%;
   }
 }