Add styling for WEditor

core/css/tabbed-container.css

@@ -121,3 +121,31 @@
 		border: var(--tab-border);
 	}
 } 
+
+.tabbed-container._weditor .tablist .buttonrow {
+	height: 0px;
+	overflow: hidden;
+}
+
+.tabbed-container._weditor .tablist .buttonrow.visible {
+	background: var(--tab-selected);
+	border: var(--tab-border);
+	border-bottom: none;
+	padding: 4px 0px 0px 4px;
+	height: unset;
+}
+
+.tabbed-container._weditor .tablist .buttonrow .button {
+	margin: 0px;
+}
+
+.tabbed-container._weditor .box {
+	display: flex;
+	margin: 0px;
+	padding: 0px;
+}
+
+.tabbed-container._weditor .box textarea {
+	border: none;
+	margin: 0px;
+}

core/style.css

@@ -52,6 +52,12 @@ textarea {
 	width: 100%;
 }
 
+textarea, input {
+	-webkit-box-sizing: border-box;
+	-moz-box-sizing: border-box;
+	box-sizing: border-box;
+}
+
 @media only screen and (orientation: landscape) {
 	:target::before {
 		content: "";