testing

www/css/autodoc.css

 
 .autodoc_img {
 	height: 343px;
+}
+
+.autodoc_valign {
+	vertical-align: middle;
 }

www/index.html

             </div>
             <div class="modal-body autodoc_home_modal_body">
               <div class="row">
-                <div class="col-1">
-                  <div class="row"></div>
-                  <div class="row"><h1>&lt;</h1></div>
-                  <div class="row"></div>
-                  
+                <div class="col-1 autodoc_valign">
+                  <h1>&lt;</h1>
                 </div>
                 <div class="col">
                   <img class="img-fluid" id="autodoc_home_modal_img"/>