diff --git a/scripts/interface.js b/scripts/interface.js
index 6977bff..8739171 100644
--- a/scripts/interface.js
+++ b/scripts/interface.js
@@ -100,6 +100,13 @@ class Form extends InterfaceElement {
 		return this.appendElement(new FormElement(params));
 	}
 
+	createMediumTextBox(params) {
+		params.tag = document.createElement("textarea");
+		params.tag.classList.add("mediumbox")
+		dataTypeSupports(params, ["plaintext", "b64", "json-b64"]);
+		return this.appendElement(new FormElement(params));
+	}
+
 	createPasswordInput(params) {
 		params.tag = document.createElement("input");
 		params.tag.setAttribute("type", "password");
diff --git a/style.css b/style.css
index e9f7556..4c69c31 100644
--- a/style.css
+++ b/style.css
@@ -31,10 +31,14 @@ input {
 }
 
 input:not([type]), input[type=password] {
-	width: 20em;
 	font-family: monospace;
 }
 
+.mediumbox {
+	width: 20em;
+	height: 5em;
+}
+
 label, input, button, textarea {
 	display: block;
 	margin-top: 1em;
@@ -56,7 +60,7 @@ input:focus, textarea:focus {
 }
 
 textarea:disabled, input:disabled {
-	opacity: 40%;
+	background: #ffffff33;
 }
 
 .checkbox-container {