diff --git a/app/src/main/java/org/mozilla/fenix/AppRequestInterceptor.kt b/app/src/main/java/org/mozilla/fenix/AppRequestInterceptor.kt
index fc5b87e66..dca2e40bd 100644
--- a/app/src/main/java/org/mozilla/fenix/AppRequestInterceptor.kt
+++ b/app/src/main/java/org/mozilla/fenix/AppRequestInterceptor.kt
@@ -22,6 +22,71 @@ class AppRequestInterceptor(private val context: Context) : RequestInterceptor {
         errorType: ErrorType,
         uri: String?
     ): RequestInterceptor.ErrorResponse? {
-        return RequestInterceptor.ErrorResponse(ErrorPages.createErrorPage(context, errorType))
+
+        val riskLevel = getRiskLevel(errorType)
+        val htmlResource = getPageForRiskLevel(riskLevel)
+        val cssResource = getStyleForRiskLevel(riskLevel)
+
+        return RequestInterceptor.ErrorResponse(ErrorPages
+            .createErrorPage(context, errorType, uri = uri, htmlResource = htmlResource, cssResource = cssResource))
+    }
+
+    private fun getPageForRiskLevel(riskLevel: RiskLevel): Int {
+        return when (riskLevel) {
+            RiskLevel.Low -> R.raw.low_risk_error_pages
+            RiskLevel.Medium -> R.raw.medium_and_high_risk_error_pages
+            RiskLevel.High -> R.raw.medium_and_high_risk_error_pages
+        }
+    }
+
+    private fun getStyleForRiskLevel(riskLevel: RiskLevel): Int {
+        return when (riskLevel) {
+            RiskLevel.Low -> R.raw.low_and_medium_risk_error_style
+            RiskLevel.Medium -> R.raw.low_and_medium_risk_error_style
+            RiskLevel.High -> R.raw.high_risk_error_style
+        }
+    }
+
+    @Suppress("ComplexMethod")
+    private fun getRiskLevel(errorType: ErrorType): RiskLevel {
+        return when (errorType) {
+            // Low risk errors
+            ErrorType.UNKNOWN -> RiskLevel.Low
+            ErrorType.ERROR_NET_INTERRUPT -> RiskLevel.Low
+            ErrorType.ERROR_NET_TIMEOUT -> RiskLevel.Low
+            ErrorType.ERROR_CONNECTION_REFUSED -> RiskLevel.Low
+            ErrorType.ERROR_UNKNOWN_SOCKET_TYPE -> RiskLevel.Low
+            ErrorType.ERROR_REDIRECT_LOOP -> RiskLevel.Low
+            ErrorType.ERROR_OFFLINE -> RiskLevel.Low
+            ErrorType.ERROR_NET_RESET -> RiskLevel.Low
+            ErrorType.ERROR_UNSAFE_CONTENT_TYPE -> RiskLevel.Low
+            ErrorType.ERROR_CORRUPTED_CONTENT -> RiskLevel.Low
+            ErrorType.ERROR_CONTENT_CRASHED -> RiskLevel.Low
+            ErrorType.ERROR_INVALID_CONTENT_ENCODING -> RiskLevel.Low
+            ErrorType.ERROR_UNKNOWN_HOST -> RiskLevel.Low
+            ErrorType.ERROR_MALFORMED_URI -> RiskLevel.Low
+            ErrorType.ERROR_FILE_NOT_FOUND -> RiskLevel.Low
+            ErrorType.ERROR_FILE_ACCESS_DENIED -> RiskLevel.Low
+            ErrorType.ERROR_PROXY_CONNECTION_REFUSED -> RiskLevel.Low
+            ErrorType.ERROR_UNKNOWN_PROXY_HOST -> RiskLevel.Low
+            ErrorType.ERROR_UNKNOWN_PROTOCOL -> RiskLevel.Low
+
+            // Medium risk errors
+            ErrorType.ERROR_SECURITY_BAD_CERT -> RiskLevel.Medium
+            ErrorType.ERROR_SECURITY_SSL -> RiskLevel.Medium
+            ErrorType.ERROR_PORT_BLOCKED -> RiskLevel.Medium
+
+            // High risk errors
+            ErrorType.ERROR_SAFEBROWSING_HARMFUL_URI -> RiskLevel.High
+            ErrorType.ERROR_SAFEBROWSING_MALWARE_URI -> RiskLevel.High
+            ErrorType.ERROR_SAFEBROWSING_PHISHING_URI -> RiskLevel.High
+            ErrorType.ERROR_SAFEBROWSING_UNWANTED_URI -> RiskLevel.High
+        }
+    }
+
+    sealed class RiskLevel {
+        object Low : RiskLevel()
+        object Medium : RiskLevel()
+        object High : RiskLevel()
     }
 }
diff --git a/app/src/main/res/raw/high_risk_error_style.css b/app/src/main/res/raw/high_risk_error_style.css
new file mode 100644
index 000000000..eb7014453
--- /dev/null
+++ b/app/src/main/res/raw/high_risk_error_style.css
@@ -0,0 +1,224 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+html,
+body {
+  margin: 0;
+  padding: 0;
+  height: 100%;
+  --moz-vertical-spacing: 10px;
+  --moz-background-height: 32px;
+}
+
+body {
+  background-size: 64px var(--moz-background-height);
+  /* background-size: 64px 32px; */
+  background-repeat: repeat-x;
+  background-color: #c50042;
+  color: #ffffff;
+  padding: 0 40px;
+  font-size: 14px;
+  -moz-text-size-adjust: none;
+  font-family: sharp-sans;
+}
+
+ul {
+  /* Shove the list indicator so that its left aligned, but use outside so that text
+   * doesn't don't wrap the text around it */
+  padding: 0 1em;
+  margin: 0;
+  list-style-type: disc;
+}
+
+#errorShortDesc,
+li:not(:last-of-type) {
+  /* Margins between the li and buttons below it won't be collapsed. Remove the bottom margin here. */
+  margin: var(--moz-vertical-spacing) 0;
+}
+
+li > button {
+  /* Removing the normal padding on the li so this stretched edge to edge. */
+  margin-left: -1em;
+  margin-right: -1em;
+  width: calc(100% + 2em);
+}
+
+/* Push the #ignoreWarningButton to the bottom on the blocked site page */
+.blockedsite > #errorPageContainer > #errorLongContent {
+  flex: 1;
+}
+
+h1 {
+  margin: 0;
+  padding: 0;
+  margin: var(--moz-vertical-spacing) 0;
+  color: #ffffff;
+  font-family: sharp-sans;
+  font-weight: bold;
+  font-size: 20px;
+  line-height: 24px;
+}
+
+p {
+  line-height: 20px;
+  margin: var(--moz-vertical-spacing) 0;
+  color: #ffffff;
+}
+
+button {
+  /* Force buttons to display: block here to try and enforce collapsing margins */
+  display: block;
+  height: 36px;
+  width: 100%;
+  border-radius: 5px;
+  border-color: #e3e3e7;
+  font-family: sharp-sans;
+  background-color: #e6e6eb;
+  color: #2f2c61;
+  font-size: 14px;
+  font-weight: bold;
+  position: fixed;
+  bottom: 80px;
+  text-aligned:center;
+  vertical-aligned:center;
+  background-image: none;
+}
+
+button.inProgress {
+  background-image: linear-gradient(-45deg, #dfe8ee,     #dfe8ee 33%,
+                                            #ecf0f3 33%, #ecf0f3 66%,
+                                            #dfe8ee 66%, #dfe8ee);
+  background-size: 37px 5px;
+  background-repeat: repeat-x;
+  animation: progress 6s linear infinite;
+}
+
+@keyframes progress {
+  from { background-position: 0 100%; }
+  to { background-position: 100% 100%; }
+}
+
+.certerror {
+  background-image: linear-gradient(-45deg, #f0d000,     #f0d000 33%,
+                                            #fedc00 33%, #fedc00 66%,
+                                            #f0d000 66%, #f0d000);
+}
+
+.blockedsite {
+  background-image: linear-gradient(-45deg, #9b2e2e,     #9b2e2e 33%,
+                                            #a83232 33%, #a83232 66%,
+                                            #9b2e2e 66%, #9b2e2e);
+  background-color: #b14646;
+  color: white;
+}
+
+#errorPageContainer {
+  /* If the page is greater than 550px center the content.
+   * This number should be kept in sync with the media query for tablets below */
+  max-width: 550px;
+  margin: 0 auto;
+  transform: translateY(var(--moz-background-height));
+  padding-bottom: var(--moz-vertical-spacing);
+
+  min-height: calc(100% - var(--moz-background-height) - var(--moz-vertical-spacing));
+  display: flex;
+  flex-direction: column;
+}
+
+/* Expanders have a structure of
+ * <div collapsed="true/false">
+ *   <h2 class="expander">Title</h2>
+ *   <p>Content</p>
+ * </div>
+ *
+ * This shows an arrow to the right of the h2 element, and hides the content when collapsed="true". */
+.expander {
+  margin: var(--moz-vertical-spacing) 0;
+  background-image: url("chrome://browser/skin/images/dropmarker.svg");
+  background-repeat: no-repeat;
+  /* dropmarker.svg is 10x7. Ensure that its centered in the middle of an 18x18 box */
+  background-position: 3px 5.5px;
+  background-size: 10px 7px;
+  padding-left: 18px;
+}
+
+div[collapsed="true"] > .expander {
+  background-image: url("chrome://browser/skin/images/dropmarker-right.svg");
+  /* dropmarker.svg is 7x10. Ensure that its centered in the middle of an 18x18 box */
+  background-size: 7px 10px;
+  background-position: 5.5px 4px;
+}
+
+div[hidden] > .expander,
+div[hidden] > .expander + *,
+div[collapsed="true"] > .expander + * {
+  display: none;
+}
+
+.blockedsite h1 {
+  border-bottom-color: #9b2e2e;
+}
+
+.blockedsite button {
+  background-color: #9b2e2e;
+  color: white;
+}
+
+/* Style warning button to look like a small text link in the
+   bottom. This is preferable to just using a text link
+   since there is already a mechanism in browser.js for trapping
+   oncommand events from unprivileged chrome pages (ErrorPageEventHandler).*/
+#ignoreWarningButton {
+  width: calc(100% + 40px);
+  -moz-appearance: none;
+  background: #b14646;
+  border: none;
+  text-decoration: underline;
+  margin: 0;
+  margin-inline-start: -20px;
+  font-size: smaller;
+  border-radius: 0;
+}
+
+/* On large screen devices (hopefully a 7+ inch tablet, we already center content (see #errorPageContainer above).
+   Apply tablet specific styles here */
+@media (min-width: 550px) {
+  button {
+    min-width: 160px;
+    width: auto;
+  }
+
+  /* If the tablet is tall as well, add some padding to make content feel a bit more centered */
+  @media (min-height: 550px) {
+    #errorPageContainer {
+      padding-top: 64px;
+      min-height: calc(100% - 64px);
+    }
+  }
+}
+
+#searchbox {
+  padding: 0;
+  display: flex;
+  margin: var(--moz-vertical-spacing) -1em;
+}
+
+#searchbox > input {
+  flex: 3;
+  padding: 0em 3em 0em 1em;
+  width: 100%;
+  border: none;
+  font-family: sans-serif;
+  background-image: none;
+  background-color: white;
+  border-radius-top-right: none;
+  border-radius-bottom-right: none;
+}
+
+#searchbox > button {
+  flex: 1;
+  margin: 0;
+  width: auto;
+}
+
diff --git a/app/src/main/res/raw/low_and_medium_risk_error_style.css b/app/src/main/res/raw/low_and_medium_risk_error_style.css
new file mode 100644
index 000000000..a9441b94b
--- /dev/null
+++ b/app/src/main/res/raw/low_and_medium_risk_error_style.css
@@ -0,0 +1,224 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+html,
+body {
+  margin: 0;
+  padding: 0;
+  height: 100%;
+  --moz-vertical-spacing: 10px;
+  --moz-background-height: 32px;
+}
+
+body {
+  background-size: 64px var(--moz-background-height);
+  /* background-size: 64px 32px; */
+  background-repeat: repeat-x;
+  background-color: #f9f9fb;
+  color: #15141A;
+  padding: 0 40px;
+  font-size: 14px;
+  -moz-text-size-adjust: none;
+  font-family: sharp-sans;
+}
+
+ul {
+  /* Shove the list indicator so that its left aligned, but use outside so that text
+   * doesn't don't wrap the text around it */
+  padding: 0 1em;
+  margin: 0;
+  list-style-type: disc;
+}
+
+#errorShortDesc,
+li:not(:last-of-type) {
+  /* Margins between the li and buttons below it won't be collapsed. Remove the bottom margin here. */
+  margin: var(--moz-vertical-spacing) 0;
+}
+
+li > button {
+  /* Removing the normal padding on the li so this stretched edge to edge. */
+  margin-left: -1em;
+  margin-right: -1em;
+  width: calc(100% + 2em);
+}
+
+/* Push the #ignoreWarningButton to the bottom on the blocked site page */
+.blockedsite > #errorPageContainer > #errorLongContent {
+  flex: 1;
+}
+
+h1 {
+  margin: 0;
+  padding: 0;
+  margin: var(--moz-vertical-spacing) 0;
+  color: #312a65;
+  font-family: sharp-sans;
+  font-weight: bold;
+  font-size: 20px;
+  line-height: 24px;
+}
+
+p {
+  line-height: 20px;
+  margin: var(--moz-vertical-spacing) 0;
+}
+
+button {
+  /* Force buttons to display: block here to try and enforce collapsing margins */
+  display: block;
+  height: 36px;
+  width: 100%;
+  border-radius: 5px;
+  border-color: #312a65;
+  font-family: sharp-sans;
+  background-color: #312a65;
+  color: #FFFFFF;
+  line-height:16px;
+  font-size: 14px;
+  font-weight: bold;
+  position: fixed;
+  bottom: 80px;
+  text-aligned:center;
+  vertical-aligned:center;
+  background-image: none;
+}
+
+button.inProgress {
+  background-image: linear-gradient(-45deg, #dfe8ee,     #dfe8ee 33%,
+                                            #ecf0f3 33%, #ecf0f3 66%,
+                                            #dfe8ee 66%, #dfe8ee);
+  background-size: 37px 5px;
+  background-repeat: repeat-x;
+  animation: progress 6s linear infinite;
+}
+
+@keyframes progress {
+  from { background-position: 0 100%; }
+  to { background-position: 100% 100%; }
+}
+
+.certerror {
+  background-image: linear-gradient(-45deg, #f0d000,     #f0d000 33%,
+                                            #fedc00 33%, #fedc00 66%,
+                                            #f0d000 66%, #f0d000);
+}
+
+.blockedsite {
+  background-image: linear-gradient(-45deg, #9b2e2e,     #9b2e2e 33%,
+                                            #a83232 33%, #a83232 66%,
+                                            #9b2e2e 66%, #9b2e2e);
+  background-color: #b14646;
+  color: white;
+}
+
+#errorPageContainer {
+  /* If the page is greater than 550px center the content.
+   * This number should be kept in sync with the media query for tablets below */
+  max-width: 550px;
+  margin: 0 auto;
+  transform: translateY(var(--moz-background-height));
+  padding-bottom: var(--moz-vertical-spacing);
+
+  min-height: calc(100% - var(--moz-background-height) - var(--moz-vertical-spacing));
+  display: flex;
+  flex-direction: column;
+}
+
+/* Expanders have a structure of
+ * <div collapsed="true/false">
+ *   <h2 class="expander">Title</h2>
+ *   <p>Content</p>
+ * </div>
+ *
+ * This shows an arrow to the right of the h2 element, and hides the content when collapsed="true". */
+.expander {
+  margin: var(--moz-vertical-spacing) 0;
+  background-image: url("chrome://browser/skin/images/dropmarker.svg");
+  background-repeat: no-repeat;
+  /* dropmarker.svg is 10x7. Ensure that its centered in the middle of an 18x18 box */
+  background-position: 3px 5.5px;
+  background-size: 10px 7px;
+  padding-left: 18px;
+}
+
+div[collapsed="true"] > .expander {
+  background-image: url("chrome://browser/skin/images/dropmarker-right.svg");
+  /* dropmarker.svg is 7x10. Ensure that its centered in the middle of an 18x18 box */
+  background-size: 7px 10px;
+  background-position: 5.5px 4px;
+}
+
+div[hidden] > .expander,
+div[hidden] > .expander + *,
+div[collapsed="true"] > .expander + * {
+  display: none;
+}
+
+.blockedsite h1 {
+  border-bottom-color: #9b2e2e;
+}
+
+.blockedsite button {
+  background-color: #9b2e2e;
+  color: white;
+}
+
+/* Style warning button to look like a small text link in the
+   bottom. This is preferable to just using a text link
+   since there is already a mechanism in browser.js for trapping
+   oncommand events from unprivileged chrome pages (ErrorPageEventHandler).*/
+#ignoreWarningButton {
+  width: calc(100% + 40px);
+  -moz-appearance: none;
+  background: #b14646;
+  border: none;
+  text-decoration: underline;
+  margin: 0;
+  margin-inline-start: -20px;
+  font-size: smaller;
+  border-radius: 0;
+}
+
+/* On large screen devices (hopefully a 7+ inch tablet, we already center content (see #errorPageContainer above).
+   Apply tablet specific styles here */
+@media (min-width: 550px) {
+  button {
+    min-width: 160px;
+    width: auto;
+  }
+
+  /* If the tablet is tall as well, add some padding to make content feel a bit more centered */
+  @media (min-height: 550px) {
+    #errorPageContainer {
+      padding-top: 64px;
+      min-height: calc(100% - 64px);
+    }
+  }
+}
+
+#searchbox {
+  padding: 0;
+  display: flex;
+  margin: var(--moz-vertical-spacing) -1em;
+}
+
+#searchbox > input {
+  flex: 3;
+  padding: 0em 3em 0em 1em;
+  width: 100%;
+  border: none;
+  font-family: sans-serif;
+  background-image: none;
+  background-color: white;
+  border-radius-top-right: none;
+  border-radius-bottom-right: none;
+}
+
+#searchbox > button {
+  flex: 1;
+  margin: 0;
+  width: auto;
+}
+
diff --git a/app/src/main/res/raw/low_risk_error_pages.html b/app/src/main/res/raw/low_risk_error_pages.html
new file mode 100644
index 000000000..13652d719
--- /dev/null
+++ b/app/src/main/res/raw/low_risk_error_pages.html
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+    <meta charset="UTF-8">
+    <head>
+        <meta name="viewport" content="width=device-width; user-scalable=false;" />
+        <title>%pageTitle%</title>
+        <style>%css%</style>
+    </head>
+
+    <body id="errorPage" dir="auto">
+        <!-- PAGE CONTAINER (for styling purposes only) -->
+        <div id="errorPageContainer">
+
+            <!-- Error Title -->
+            <div id="errorTitle">
+                <h1 id="et_dnsNotFound" class="errorTitleText">%messageShort%</h1>
+            </div>
+
+            <!-- LONG CONTENT (the section most likely to require scrolling) -->
+            <div id="errorLongContent">
+
+                <!-- Short Description -->
+                <div id="errorShortDesc">
+                    <p id="errorShortDescText">%messageLong%</p>
+                </div>
+
+            </div>
+
+            <!-- Retry Button -->
+            <button id="errorTryAgain" onclick="window.location.reload()">%button%</button>
+        </div>
+    </body>
+</html>
diff --git a/app/src/main/res/raw/medium_and_high_risk_error_pages.html b/app/src/main/res/raw/medium_and_high_risk_error_pages.html
new file mode 100644
index 000000000..0fb2d097b
--- /dev/null
+++ b/app/src/main/res/raw/medium_and_high_risk_error_pages.html
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+    <meta charset="UTF-8">
+    <head>
+        <meta name="viewport" content="width=device-width; user-scalable=false;" />
+        <title>%pageTitle%</title>
+        <style>%css%</style>
+    </head>
+
+    <body id="errorPage" dir="auto">
+        <!-- PAGE CONTAINER (for styling purposes only) -->
+        <div id="errorPageContainer">
+
+            <!-- Error Title -->
+            <div id="errorTitle">
+                <h1 id="et_dnsNotFound" class="errorTitleText">%messageShort%</h1>
+            </div>
+
+            <!-- LONG CONTENT (the section most likely to require scrolling) -->
+            <div id="errorLongContent">
+
+                <!-- Short Description -->
+                <div id="errorShortDesc">
+                    <p id="errorShortDescText">%messageLong%</p>
+                </div>
+
+            </div>
+
+            <!-- Retry Button -->
+            <button id="errorTryAgain" onclick="window.history.back() ">%backButton%</button>
+        </div>
+    </body>
+</html>