diff --git a/frontend/.prettierrc b/frontend/.prettierrc
index d4d8cfc4..bd27edb1 100644
--- a/frontend/.prettierrc
+++ b/frontend/.prettierrc
@@ -5,11 +5,13 @@
   "singleQuote": true,
   "trailingComma": "es5",
   "bracketSpacing": true,
-	"arrowParens": "avoid",
-	"overrides": [{
-		"files": ["*.ejs"],
-		"options": {
-			"trailingComma": "none"
-		}
-	}]
+  "arrowParens": "avoid",
+  "overrides": [
+    {
+      "files": ["*.ejs", "*.html"],
+      "options": {
+        "trailingComma": "none"
+      }
+    }
+  ]
 }
diff --git a/frontend/deleteme.html b/frontend/deleteme.html
index 39eb2038..ff424dad 100644
--- a/frontend/deleteme.html
+++ b/frontend/deleteme.html
@@ -1,35 +1,36 @@
 <!DOCTYPE html>
 <html>
-<head>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width,initial-scale=1">
-  <title>remark42</title>
-  <base target="_blank">
-  <style>
-    html, body {
-      -webkit-font-smoothing: antialiased;
-      -moz-osx-font-smoothing: grayscale;
-    }
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width,initial-scale=1" />
+    <title>remark42</title>
+    <base target="_blank" />
+    <style>
+      html,
+      body {
+        -webkit-font-smoothing: antialiased;
+        -moz-osx-font-smoothing: grayscale;
+      }
 
     .preloader {
       width: 60px;
       text-align: center;
       font-size: 0;
-    }
+        }
 
     .preloader_view_iframe {
       margin: 0 auto;
-    }
+        }
 
     .preloader__bounce {
       display: inline-block;
-      width: 10px;
-      height: 10px;
+        width: 10px;
+        height: 10px;
       margin-right: 3px;
       background-color: #333;
       border-radius: 100%;
       animation: iframePreloaderBounce 1.4s infinite ease-in-out both;
-    }
+      }
 
     .preloader__bounce:first-child {
       animation-delay: -.32s;
@@ -37,11 +38,11 @@
 
     .preloader__bounce:nth-child(2) {
       animation-delay: -.16s;
-    }
+      }
 
     .preloader__bounce:last-child {
       margin-right: 0;
-    }
+      }
 
     @keyframes iframePreloaderBounce {
       0% {
@@ -55,22 +56,22 @@
       80%, 100% {
         transform: scale(0);
       }
-    }
-  </style>
-</head>
-<body>
-  <div id="remark42">
+      }
+    </style>
+  </head>
+  <body>
+    <div id="remark42">
     <div class="preloader preloader_view_iframe">
       <div class="preloader__bounce"></div>
       <div class="preloader__bounce"></div>
       <div class="preloader__bounce"></div>
     </div>
-  </div>
-	<script>
-		var remark_config = {
-			host: window.location.origin
-		}
-	</script>
-  <script src="deleteme.js"></script>
-</body>
+    </div>
+    <script>
+      var remark_config = {
+        host: window.location.origin
+      };
+    </script>
+    <script src="deleteme.js"></script>
+  </body>
 </html>
diff --git a/frontend/iframe.html b/frontend/iframe.html
index 21c5263a..17fc97aa 100644
--- a/frontend/iframe.html
+++ b/frontend/iframe.html
@@ -1,47 +1,48 @@
 <!DOCTYPE html>
 <html>
-<head>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width,initial-scale=1">
-  <title>remark42</title>
-  <base target="_blank">
-  <script>
-    if (window.location.search === '?selfClose') {
-      window.close();
-    }
-  </script>
-  <link rel="stylesheet" href="remark.css">
-  <style>
-    html, body {
-      margin: 0;
-      padding: 0;
-      -webkit-font-smoothing: antialiased;
-      -moz-osx-font-smoothing: grayscale;
-    }
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width,initial-scale=1" />
+    <title>remark42</title>
+    <base target="_blank" />
+    <script>
+      if (window.location.search === '?selfClose') {
+        window.close();
+      }
+    </script>
+    <link rel="stylesheet" href="remark.css" />
+    <style>
+      html,
+      body {
+        margin: 0;
+        padding: 0;
+        -webkit-font-smoothing: antialiased;
+        -moz-osx-font-smoothing: grayscale;
+      }
 
     .preloader {
       width: 60px;
       text-align: center;
       font-size: 0;
-    }
+        }
 
     .preloader_view_iframe {
       margin: 0 auto;
-    }
+        }
 
     .preloader__bounce {
       display: inline-block;
-      width: 10px;
-      height: 10px;
+        width: 10px;
+        height: 10px;
       margin-right: 3px;
       background-color: #888;
       border-radius: 100%;
       animation: iframePreloaderBounce 1.4s infinite ease-in-out both;
-    }
+      }
 
     .preloader__bounce:first-child {
       animation-delay: -.32s;
-    }
+      }
 
     .preloader__bounce:nth-child(2) {
       animation-delay: -.16s;
@@ -49,7 +50,7 @@
 
     .preloader__bounce:last-child {
       margin-right: 0;
-    }
+      }
 
     @keyframes iframePreloaderBounce {
       0% {
@@ -63,65 +64,71 @@
       80%, 100% {
         transform: scale(0);
       }
-    }
+      }
 
-    :focus:not(.focus-visible):not(.button) {
-      outline: none;
-    }
-  </style>
-</head>
-<body>
-  <div id="remark42">
+      :focus:not(.focus-visible):not(.button) {
+        outline: none;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="remark42">
     <div class="preloader preloader_view_iframe">
       <div class="preloader__bounce"></div>
       <div class="preloader__bounce"></div>
       <div class="preloader__bounce"></div>
     </div>
-  </div>
-  <script>
-    /* REMOVE-START */
-    if (window.parent !== window) {
-      try {
-        window.__REACT_DEVTOOLS_GLOBAL_HOOK__ = window.parent.__REACT_DEVTOOLS_GLOBAL_HOOK__;
-      } catch (e){}
-    }
-    /* REMOVE-END */
-    var lastHeight = 0;
-    setInterval(function() {
-      if (document.body.offsetHeight !== lastHeight && document.body.offsetHeight > 10) {
-        lastHeight = document.body.offsetHeight;
-        window.parent.postMessage(JSON.stringify({ remarkIframeHeight: lastHeight }), '*');
+    </div>
+    <script>
+      /* REMOVE-START */
+      if (window.parent !== window) {
+        try {
+          window.__REACT_DEVTOOLS_GLOBAL_HOOK__ = window.parent.__REACT_DEVTOOLS_GLOBAL_HOOK__;
+        } catch (e) {}
       }
-    }, 200);
-
-    window.addEventListener('message', receiveMessages);
-
-    function receiveMessages(event) {
-      try {
-        const data = typeof event.data === 'string' ? JSON.parse(event.data) : event.data;
-        const isItHash = data.hash && data.hash.indexOf("#") === 0;
-
-        if (isItHash) {
-          location.replace(data.hash);
+      /* REMOVE-END */
+      var lastHeight = 0;
+      setInterval(function() {
+        if (document.body.offsetHeight !== lastHeight && document.body.offsetHeight > 10) {
+          lastHeight = document.body.offsetHeight;
+          window.parent.postMessage(JSON.stringify({ remarkIframeHeight: lastHeight }), '*');
         }
+      }, 200);
 
-        if (data.title) {
-          document.title = data.title;
-        }
-      } catch (e) {}
-    }
+      window.addEventListener('message', receiveMessages);
 
-    var remark_config = window.location.search.length < 2 ? {} : window.location.search.substr(1).split("&").reduce(function (c, x) {
-      var splitted = x.split("=")
-      if(!splitted[1]) {
-        splitted[1] = ""
+      function receiveMessages(event) {
+        try {
+          const data = typeof event.data === 'string' ? JSON.parse(event.data) : event.data;
+          const isItHash = data.hash && data.hash.indexOf('#') === 0;
+
+          if (isItHash) {
+            location.replace(data.hash);
+          }
+
+          if (data.title) {
+            document.title = data.title;
+          }
+        } catch (e) {}
       }
-      c[splitted[0]] = decodeURIComponent(splitted[1])
-      return c
-    }, {})
 
-    window.parent.postMessage(JSON.stringify({ inited: true }), '*');
-  </script>
-  <script type="text/javascript" src="remark.js"></script>
-</body>
+      var remark_config =
+        window.location.search.length < 2
+          ? {}
+          : window.location.search
+              .substr(1)
+              .split('&')
+              .reduce(function(c, x) {
+                var splitted = x.split('=');
+                if (!splitted[1]) {
+                  splitted[1] = '';
+                }
+                c[splitted[0]] = decodeURIComponent(splitted[1]);
+                return c;
+              }, {});
+
+      window.parent.postMessage(JSON.stringify({ inited: true }), '*');
+    </script>
+    <script type="text/javascript" src="remark.js"></script>
+  </body>
 </html>
diff --git a/frontend/last-comments.ejs b/frontend/last-comments.ejs
index 4bce1d8e..061f0c6f 100644
--- a/frontend/last-comments.ejs
+++ b/frontend/last-comments.ejs
@@ -1,44 +1,45 @@
 <!DOCTYPE html>
 <html lang="en">
-<head>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width,initial-scale=1">
-  <title>remark42 last comments</title>
+  <head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width,initial-scale=1" />
+    <title>remark42 last comments</title>
 
-  <style>
-    body {
-      padding: 0;
-      margin: 0;
-    }
-
-    .container {
-      max-width: 400px;
-      margin: 40px;
-    }
-  </style>
-</head>
-<body>
-  <div class="container">
-    <div class="remark42__last-comments" data-max="50"></div>
-  </div>
-
-  <script>
-    var remark_config = {
-      site_id: 'remark',
-      host: window.location.origin,
-      components: ["last-comments"]
-    };
-
-    (function(c) {
-      for(var i = 0; i < c.length; i++){
-        var d = document, s = d.createElement('script');
-        s.src = remark_config.host + '/web/' +c[i] +'.js';
-        (d.head || d.body).appendChild(s);
+    <style>
+      body {
+        padding: 0;
+        margin: 0;
       }
-    })(remark_config.components || ['embed']);
-  </script>
-  <noscript>
-    Please enable JavaScript to view the comments powered by Remark.
-  </noscript>
-</body>
+
+      .container {
+        max-width: 400px;
+        margin: 40px;
+      }
+    </style>
+  </head>
+  <body>
+    <div class="container">
+      <div class="remark42__last-comments" data-max="50"></div>
+    </div>
+
+    <script>
+      var remark_config = {
+        site_id: 'remark',
+        host: window.location.origin,
+        components: ['last-comments']
+      };
+
+      (function(c) {
+        for (var i = 0; i < c.length; i++) {
+          var d = document,
+            s = d.createElement('script');
+          s.src = remark_config.host + '/web/' + c[i] + '.js';
+          (d.head || d.body).appendChild(s);
+        }
+      })(remark_config.components || ['embed']);
+    </script>
+    <noscript>
+      Please enable JavaScript to view the comments powered by Remark.
+    </noscript>
+  </body>
 </html>
diff --git a/frontend/tsconfig.json b/frontend/tsconfig.json
index 8e124920..a831df3c 100644
--- a/frontend/tsconfig.json
+++ b/frontend/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-		"incremental": true,
+    "incremental": true,
     "lib": ["es2017", "dom"],
     "target": "es2017",
     "jsx": "react",
@@ -19,7 +19,7 @@
     "forceConsistentCasingInFileNames": true,
     "paths": {
       "*": ["@types/*"],
-      "@app/*": ["app/*"],
+      "@app/*": ["app/*"]
     }
   },
   "include": ["app/**/*"],
