diff --git a/src/1p-filters.html b/src/1p-filters.html
index 606d36d63..e437da19f 100644
--- a/src/1p-filters.html
+++ b/src/1p-filters.html
@@ -10,14 +10,12 @@
 
 <body>
 
-<div>
-    <p data-i18n="1pFormatHint"></p>
-    <p><button id="userFiltersApply" disabled="true" data-i18n="1pApplyChanges"></button></p>
-    <textarea class="userFilters" id="userFilters" dir="auto" spellcheck="false"></textarea>
-    <p><button id="importUserFiltersFromFile" data-i18n="1pImport"></button> &emsp; 
-       <button id="exportUserFiltersToFile" data-i18n="1pExport"></button>
-       <input id="importFilePicker" type="file" accept="text/plain" class="hiddenFileInput"></p>
-</div>
+<p data-i18n="1pFormatHint"></p>
+<p><button id="userFiltersApply" disabled="true" data-i18n="1pApplyChanges"></button></p>
+<textarea class="userFilters" id="userFilters" dir="auto" spellcheck="false"></textarea>
+<p><button id="importUserFiltersFromFile" data-i18n="1pImport"></button> &emsp; 
+   <button id="exportUserFiltersToFile" data-i18n="1pExport"></button>
+   <input id="importFilePicker" type="file" accept="text/plain" class="hiddenFileInput"></p>
 
 <script src="js/vapi-common.js"></script>
 <script src="js/vapi-client.js"></script>
diff --git a/src/css/1p-filters.css b/src/css/1p-filters.css
index 055622106..267c067a3 100644
--- a/src/css/1p-filters.css
+++ b/src/css/1p-filters.css
@@ -5,9 +5,10 @@ div > p:last-child {
     margin-bottom: 0;
     }
 .userFilters {
+    box-sizing: border-box;
     font-size: small;
-    width: 48em;
-    height: 40em;
+    height: 60vh;
     white-space: pre;
+    width: 100%;
     text-align: left;
     }
diff --git a/src/css/whitelist.css b/src/css/whitelist.css
index 8f646a6a9..32a7a103f 100644
--- a/src/css/whitelist.css
+++ b/src/css/whitelist.css
@@ -5,11 +5,12 @@ div > p:last-child {
     margin-bottom: 0;
     }
 #whitelist {
+    box-sizing: border-box;
     font-size: small;
-    width: 48em;
-    height: 40em;
-    white-space: pre;
+    height: 60vh;
 	text-align: left;
+    white-space: pre;
+    width: 100%;
     }
 #whitelist.bad {
     background-color: #fee;
diff --git a/src/whitelist.html b/src/whitelist.html
index 08313203f..9ed755e5a 100644
--- a/src/whitelist.html
+++ b/src/whitelist.html
@@ -10,14 +10,12 @@
 
 <body>
 
-<div>
-    <p data-i18n="whitelistPrompt"></p>
-    <p><button id="whitelistApply" type="button" disabled="true" data-i18n="whitelistApply"></button></p>
-    <textarea id="whitelist" dir="auto" spellcheck="false"></textarea>
-    <p><button id="importWhitelistFromFile" data-i18n="whitelistImport"></button> &emsp;
-       <button id="exportWhitelistToFile" data-i18n="whitelistExport"></button>
-       <input id="importFilePicker" type="file" accept="text/plain" class="hiddenFileInput"></p>
-</div>
+<p data-i18n="whitelistPrompt"></p>
+<p><button id="whitelistApply" type="button" disabled="true" data-i18n="whitelistApply"></button></p>
+<textarea id="whitelist" dir="auto" spellcheck="false"></textarea>
+<p><button id="importWhitelistFromFile" data-i18n="whitelistImport"></button> &emsp;
+   <button id="exportWhitelistToFile" data-i18n="whitelistExport"></button>
+   <input id="importFilePicker" type="file" accept="text/plain" class="hiddenFileInput"></p>
 
 <script src="lib/punycode.js"></script>
 <script src="js/vapi-common.js"></script>
