diff --git a/resources/servo.css b/resources/servo.css
index cdeff0c0ff0..77d05782725 100644
--- a/resources/servo.css
+++ b/resources/servo.css
@@ -1,3 +1,4 @@
+input, select { display: inline-block; }
 input                   { background: white; min-height: 1.0em; padding: 0em; padding-left: 0.25em; padding-right: 0.25em; border: solid lightgrey 1px; color: black; white-space: nowrap; }
 input[type="button"],
 input[type="submit"],
diff --git a/tests/ref/iframe/multiple_external.html b/tests/ref/iframe/multiple_external.html
index 870bef5ba2d..7daac996435 100644
--- a/tests/ref/iframe/multiple_external.html
+++ b/tests/ref/iframe/multiple_external.html
@@ -7,6 +7,7 @@
             float: left;
             width: 300px;
             height: 300px;
+            border: none;
           }
         </style>
     </head>
diff --git a/tests/ref/iframe/overflow.html b/tests/ref/iframe/overflow.html
index 64456f1b418..405ee9fa8e6 100644
--- a/tests/ref/iframe/overflow.html
+++ b/tests/ref/iframe/overflow.html
@@ -1,7 +1,7 @@
 <html>
  <body>
    <iframe src="data:text/html,%3Cdiv%20style%3D%22background%3Agreen%3B%20width%3A%20200px%3B%20height%3A%20200px%3B%22%3E%3C%2Fdiv%3E"
-           style="display: block; width: 108px; height: 108px;">
+           style="display: block; width: 108px; height: 108px; border: none">
   </iframe>
  </div>
 </body>
diff --git a/tests/ref/table_auto_width.html b/tests/ref/table_auto_width.html
index 39396bbb799..62f0def0086 100644
--- a/tests/ref/table_auto_width.html
+++ b/tests/ref/table_auto_width.html
@@ -6,7 +6,7 @@
 		<table>
 			<tbody>
 				<tr>
-					<td>
+					<td style="padding: 0">
 						<span>12345<span>67890</span></span>
 					</td>
 				</tr>
diff --git a/tests/ref/table_auto_width_ref.html b/tests/ref/table_auto_width_ref.html
index 1a90aab518e..0cb28c3ef1e 100644
--- a/tests/ref/table_auto_width_ref.html
+++ b/tests/ref/table_auto_width_ref.html
@@ -6,7 +6,7 @@
 		<table>
 			<tbody>
 				<tr>
-					<td>
+					<td style="padding: 0">
 						<span>1234567890</span>
 					</td>
 				</tr>
diff --git a/tests/ref/table_containing_block_a.html b/tests/ref/table_containing_block_a.html
index 1b33586f70c..6c3a4e02a4a 100644
--- a/tests/ref/table_containing_block_a.html
+++ b/tests/ref/table_containing_block_a.html
@@ -14,7 +14,7 @@
         <table class="rel">
             <tbody>
                 <tr class="abs">
-                    <td>Don't crash!</td>
+                    <td style="padding: 0">Don't crash!</td>
                 </tr>
             </tbody>
         </table>
diff --git a/tests/ref/table_containing_block_ref.html b/tests/ref/table_containing_block_ref.html
index b4377f5e761..d59322ab8ec 100644
--- a/tests/ref/table_containing_block_ref.html
+++ b/tests/ref/table_containing_block_ref.html
@@ -6,7 +6,7 @@
         <table>
             <tbody>
                 <tr>
-                    <td>Don't crash!</td>
+                    <td style="padding: 0">Don't crash!</td>
                 </tr>
             </tbody>
         </table>
diff --git a/tests/ref/table_padding_a.html b/tests/ref/table_padding_a.html
index a95ac820bff..5170b6d12b2 100644
--- a/tests/ref/table_padding_a.html
+++ b/tests/ref/table_padding_a.html
@@ -15,9 +15,11 @@
 			table {
 				background:green;
 				padding: 150px;
+				box-sizing: content-box;
 			}
 			th {
 				color: yellow;
+				padding: 0;
 			}
 		</style>
 	</head>
