diff --git a/templates/dups.html b/templates/dups.html
index 0695ea6..5c56fd5 100644
--- a/templates/dups.html
+++ b/templates/dups.html
@@ -9,7 +9,7 @@
 </svg>
 
 	<div class="container-fluid">
-		<h3 class="offset-lg-2">{{page_title}}</h3>
+		<h3 class="offset-2">{{page_title}}</h3>
         <div class="row">
         <form id="psform" class="d-flex justify-content-center form-inline" method="POST" action="">
             <input type="hidden" name="fe_msg_id" value="{{fe_msg_id}}"></input>
@@ -71,7 +71,7 @@
             }
         </script>
 		<div class="row">
-			<form class="form form-inline col-lg-12" action="{{url_for('rm_dups')}}" method="POST">
+			<form class="form form-inline col-12" action="{{url_for('rm_dups')}}" method="POST">
                 {# pass this through so that the back-end can delete this message when it rm_dups #}
                 <input type="hidden" name="fe_msg_id" value={{fe_msg_id}}>
                 {% set auto=namespace(str="") %}
@@ -93,7 +93,7 @@
                     {% set all_count.k_files = all_count.k_files + count.keep %}
                     {% set all_count.d_files = all_count.d_files + count.del %}
                 {% endif %}
-                <h5 class="col-lg-12">Choose between these files:</h5>
+                <h5 class="col-12">Choose between these files:</h5>
                 {% set count=namespace( del=0, keep=0, man_del=0, man_keep=0 ) %}
                 {% for dups in DD.per_file_dups %}
                     {% set outer_loop=loop.index %}
@@ -123,7 +123,7 @@
                             {% endif %}
                             {% if page.cnt <= pagesize %}
                                 {% if loop.index == 1 %}
-                                    <div class="col-lg-12 py-2">
+                                    <div class="col-12 py-2">
                                     {% set kfid.count = kfid.count+1 %}
                                     <input type="hidden" name="kfhash-{{kfid.count}}" value="{{dup.h}}">
                                     <input type="hidden" id="kfid-{{kfid.count}}" name="kfid-{{kfid.count}}" value="">
@@ -140,7 +140,7 @@
                                     F[{{kfid.count}}{{loop.index}}]="{{dup.id}}"
                                 </script>
                                 {% if loop.index == dups|length %}
-                                    </div class="col-lg-12">
+                                    </div class="col-12">
                                 {% endif %}
                             {% endif %}
                         {% endif %}
@@ -175,8 +175,8 @@
                         {% set count.m_files = count.m_files + dup.hashes|wordcount %}
                         {% set count.m_dirs = count.m_dirs +1 %}
                         {% if page.cnt <= pagesize %}
-                            <div class="col-lg-12 py-2">
-                                <h5 class="col-lg-12 mt-3">Choose path to KEEP (same file names in 2 different directories):</h5>
+                            <div class="col-12 py-2">
+                                <h5 class="col-12 mt-3">Choose path to KEEP (same file names in 2 different directories):</h5>
                                 {{dup.count}} duplicates in: 
                                 {% if dup.d1 == "" %}
                                     {% set d1="/" %}
@@ -203,7 +203,7 @@
                     {% endif %}
                 {% endfor %}
                 {% if count.keep_d %}
-                    <div class="col-lg-12">
+                    <div class="col-12">
                     {% set auto.str = auto.str + "<li>Keeping {} files in {} paths, Deleting={} file in {} paths</li>".format( count.keep_f, count.keep_d, count.keep_f, count.keep_d) %}
                     {% set all_count.k_files = all_count.k_files + count.keep_f %}
                     {% set all_count.d_files = all_count.d_files + count.keep_f %}
@@ -224,7 +224,7 @@ So by counting/double-check, uniq files kept = {{all_count.k_files+all_count.mk_
 #}
                     </alert>
                 {% endif %}
-                <div class="col-lg-12"></div>
+                <div class="col-12"></div>
                 <input class="btn btn-danger mt-2" type="submit" value="Delete Duplicates">
             </form>
 		</div class="row">