diff --git a/website/web/templates/top_forms.html b/website/web/templates/top_forms.html
index c30c490..6223faa 100644
--- a/website/web/templates/top_forms.html
+++ b/website/web/templates/top_forms.html
@@ -1,36 +1,36 @@
 <p>
-    <form style="width:230px; display:inline-block;" action="" method=post>
-        <input name="date" type="date" value="{{ date }}">
-        <input type="submit" value="Set date">
+    <form class="form-inline" style="width:250px; display:inline-block;" action="" method=post>
+        <input name="date" class="form-control my-1 mr-sm-2" type="date" value="{{ date }}">
+        <button type="submit" class="btn btn-primary my-1">Set date</button>
     </form>
-    <form style="width:200px; display:inline-block;" action="" method=post>
-        <select name="ipversion">
+    <form class="form-inline" style="width:200px; display:inline-block;" action="" method=post>
+        <select name="ipversion" class="custom-select my-1 mr-sm-2">
             <option value="v4" {% if ipversion == 'v4' %} selected="selected"{% endif %}>v4</option>
             <option value="v6" {% if ipversion == 'v6' %} selected="selected"{% endif %}>v6</option>
         </select>
-        <input type="submit" value="Set IP version">
+        <button type="submit" class="btn btn-primary my-1">IP version</button>
     </form>
-    <form style="width:400px; display:inline-block;" action="" method=post>
-      <select name="source">
+    <form class="form-inline" style="width:400px; display:inline-block;" action="" method=post>
+      <select name="source" class="form-control">
         <option value="" {% if not source %} selected="selected"{% endif %}>all</option>
         {% for s in sources %}
         <option value="{{ s }}" {% if source == s %} selected="selected"{% endif %}>{{ s }}</option>
         {% endfor %}
       </select>
-      <input type="submit" value="Set source">
+      <input type="submit" class="btn btn-primary my-1"value="Set source">
     </form>
-    <form style="width:350px; display:inline-block;" action="{{ url_for('asn_details') }}" method=post>
-        ASN to search: <input type=number name=asn>
-        <input type="submit" value="Search">
+    <form class="form-inline" style="width:350px; display:inline-block;" action="{{ url_for('asn_details') }}" method=post>
+        <input type=number name=asn class="form-control my-1 mr-sm-2">
+        <button type="submit" class="btn btn-primary my-1">Search ASN</button>
     </form>
-    <form style="width:500px; display:inline-block;" action="{{ url_for('country') }}" method=post>
-      <select name="country">
+    <form class="form-inline"style="width:500px; display:inline-block;" action="{{ url_for('country') }}" method=post>
+      <select name="country" class="form-control">
         <option value="" {% if not country %} selected="selected"{% endif %}>all</option>
         {% for cc, name in countries %}
         <option value="{{ cc }}" {% if country == cc %} selected="selected"{% endif %}>{{ name }}</option>
         {% endfor %}
     </select>
-    <input type="submit" value="Set country">
+    <input type="submit" class="btn btn-primary my-1"value="Set country">
     </form>
 <p>
 <br/>