diff --git a/README.md b/README.md
index a37630f68..148be995d 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 <p align="center">
   Bull-powered BitTorrent tracker engine
-  <br>
+  <br/>
 </p>
 
 <p align="center">
diff --git a/admin/stats/tracker.php b/admin/stats/tracker.php
index 08130ee70..aef1eb91f 100644
--- a/admin/stats/tracker.php
+++ b/admin/stats/tracker.php
@@ -116,7 +116,7 @@ if ($client_full || !$stats_cache = CACHE('tr_cache')->get('tracker_clients_stat
 
 $n = 1;
 foreach (array_slice($clients_percentage, 0, $numwant) as $client => $value) {
-    $client_list .= ($client_full) ? ("$client => $value<br>") : "$n. " . get_user_torrent_client($client) . " $value<br>";
+    $client_list .= ($client_full) ? ("$client => $value<br/>") : "$n. " . get_user_torrent_client($client) . " $value<br/>";
     $n++;
 }
 
@@ -164,10 +164,10 @@ echo "\n
 	<td align=center>
 
     $client_list
-<br>
+<br/>
 \n";
-echo (count($clients_percentage) > $numwant) ? ('<a href="' . 'tracker.php?client_numwant=' . ($numwant + 100) . '">' . 'Show more' . '</a><br>') : '';
-echo $client_full ? '<br><b>Get more length and numbers via modifying the parameters in the url<b>' : (!empty($client_list) ? '<a href="tracker.php?client_length=6&client_numwant=10">Peer_ids with more length (version debugging)</a>' : '');
+echo (count($clients_percentage) > $numwant) ? ('<a href="' . 'tracker.php?client_numwant=' . ($numwant + 100) . '">' . 'Show more' . '</a><br/>') : '';
+echo $client_full ? '<br/><b>Get more length and numbers via modifying the parameters in the url<b>' : (!empty($client_list) ? '<a href="tracker.php?client_length=6&client_numwant=10">Peer_ids with more length (version debugging)</a>' : '');
 echo '</td></tr>';
 echo '</table>';
 echo !$client_full ? '<p style = "text-align:right;">Simple stats for clients are being cached for one hour.</p>' : '';
diff --git a/common.php b/common.php
index 30e818a17..7763fc7f5 100644
--- a/common.php
+++ b/common.php
@@ -54,7 +54,7 @@ require_once BB_PATH . '/library/defines.php';
 
 // Composer
 if (!is_file(BB_PATH . '/vendor/autoload.php')) {
-    die('🔩 Manual install: <a href="https://getcomposer.org/download/" target="_blank" rel="noreferrer" style="color:#0a25bb;">Install composer</a> and run <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">composer install</code>.<br>☕️ Quick install: Run <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">php install.php</code> in CLI mode.');
+    die('🔩 Manual install: <a href="https://getcomposer.org/download/" target="_blank" rel="noreferrer" style="color:#0a25bb;">Install composer</a> and run <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">composer install</code>.<br/>☕️ Quick install: Run <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">php install.php</code> in CLI mode.');
 }
 require_once BB_PATH . '/vendor/autoload.php';
 
@@ -75,7 +75,7 @@ try {
     $dotenv = Dotenv\Dotenv::createMutable(BB_PATH);
     $dotenv->load();
 } catch (\Dotenv\Exception\InvalidPathException $pathException) {
-    die('🔩 Manual install: Rename from <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">.env.example</code> to <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">.env</code>, and configure it.<br>☕️ Quick install: Run <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">php install.php</code> in CLI mode.');
+    die('🔩 Manual install: Rename from <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">.env.example</code> to <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">.env</code>, and configure it.<br/>☕️ Quick install: Run <code style="background:#222;color:#00e01f;padding:2px 6px;border-radius:3px;">php install.php</code> in CLI mode.');
 }
 
 // Load config
diff --git a/library/ajax/change_tor_status.php b/library/ajax/change_tor_status.php
index dc67e9782..b1bbcb95b 100644
--- a/library/ajax/change_tor_status.php
+++ b/library/ajax/change_tor_status.php
@@ -90,13 +90,13 @@ switch ($mode) {
         // Log action
         $log_msg = sprintf($lang['TOR_STATUS_LOG_ACTION'], $bb_cfg['tor_icons'][$new_status] . ' <b> ' . $lang['TOR_STATUS_NAME'][$new_status] . '</b>', $bb_cfg['tor_icons'][$tor['tor_status']] . ' <b> ' . $lang['TOR_STATUS_NAME'][$tor['tor_status']] . '</b>');
         if ($comment && $comment != $lang['COMMENT']) {
-            $log_msg .= "<br>{$lang['COMMENT']}: <b>$comment</b>.";
+            $log_msg .= "<br/>{$lang['COMMENT']}: <b>$comment</b>.";
         }
         $log_action->mod('mod_topic_change_tor_status', [
             'forum_id' => $tor['forum_id'],
             'topic_id' => $tor['topic_id'],
             'topic_title' => $tor['topic_title'],
-            'log_msg' => $log_msg . '<br>-------------',
+            'log_msg' => $log_msg . '<br/>-------------',
         ]);
 
         $this->response['status'] = $bb_cfg['tor_icons'][$new_status] . ' <b> ' . $lang['TOR_STATUS_NAME'][$new_status] . '</b> &middot; ' . profile_url($userdata) . ' &middot; <i>' . delta_time(TIMENOW) . $lang['TOR_BACK'] . '</i>';
diff --git a/library/ajax/ffprobe_info.php b/library/ajax/ffprobe_info.php
index 768666f7e..5213f6e3a 100644
--- a/library/ajax/ffprobe_info.php
+++ b/library/ajax/ffprobe_info.php
@@ -50,27 +50,27 @@ if (isset($ffpInfo->streams)) {
     $audioDub = array_map(function ($stream) {
         global $lang;
 
-        $result = '<span class="warnColor2">' . sprintf($lang['AUDIO_TRACK'], (!isset($stream->index) || $stream->index === 0) ? 1 : $stream->index) . '</span><br>';
+        $result = '<span class="warnColor2">' . sprintf($lang['AUDIO_TRACK'], (!isset($stream->index) || $stream->index === 0) ? 1 : $stream->index) . '</span><br/>';
         if (isset($stream->tags->language)) {
             if (isset($stream->tags->title)) {
                 $result .= '<b>' . mb_strtoupper($stream->tags->language, 'UTF-8') . ' (' . $stream->tags->title . ')' . '</b>';
             } else {
                 $result .= '<b>' . mb_strtoupper($stream->tags->language, 'UTF-8') . '</b>';
             }
-            $result .= '<br>';
+            $result .= '<br/>';
         }
 
         if (!empty($stream->codec_name)) {
-            $result .= sprintf($lang['AUDIO_CODEC'], $stream->codec_long_name, mb_strtoupper($stream->codec_name, 'UTF-8')) . '<br>';
+            $result .= sprintf($lang['AUDIO_CODEC'], $stream->codec_long_name, mb_strtoupper($stream->codec_name, 'UTF-8')) . '<br/>';
         }
         if (!empty($stream->bit_rate)) {
-            $result .= sprintf($lang['BITRATE'], humn_bitrate((int)$stream->bit_rate)) . '<br>';
+            $result .= sprintf($lang['BITRATE'], humn_bitrate((int)$stream->bit_rate)) . '<br/>';
         }
         if (!empty($stream->sample_rate)) {
-            $result .= sprintf($lang['SAMPLE_RATE'], humn_sample_rate((int)$stream->sample_rate)) . '<br>';
+            $result .= sprintf($lang['SAMPLE_RATE'], humn_sample_rate((int)$stream->sample_rate)) . '<br/>';
         }
         if (!empty($stream->channels)) {
-            $result .= sprintf($lang['CHANNELS'], $stream->channels) . '<br>';
+            $result .= sprintf($lang['CHANNELS'], $stream->channels) . '<br/>';
         }
         if (!empty($stream->channel_layout)) {
             $result .= sprintf($lang['CHANNELS_LAYOUT'], $stream->channel_layout);
@@ -90,10 +90,10 @@ if (isset($ffpInfo->streams)) {
     // Validate output data
     $result = '<hr>';
     if (!empty($data['resolution'])) {
-        $result .= $data['resolution'] . '<br>';
+        $result .= $data['resolution'] . '<br/>';
     }
     if (!empty($data['filesize'])) {
-        $result .= $data['filesize'] . '<br>';
+        $result .= $data['filesize'] . '<br/>';
     }
     if (!empty($data['video_codec'])) {
         $result .= $data['video_codec'];
diff --git a/library/ajax/mod_action.php b/library/ajax/mod_action.php
index eaacae59a..56f5effca 100644
--- a/library/ajax/mod_action.php
+++ b/library/ajax/mod_action.php
@@ -49,7 +49,7 @@ switch ($mode) {
                 'forum_id' => $tor['forum_id'],
                 'topic_id' => $tor['topic_id'],
                 'topic_title' => $tor['topic_title'],
-                'log_msg' => $log_msg . '<br>-------------',
+                'log_msg' => $log_msg . '<br/>-------------',
             ]);
         }
         $this->response['status'] = $bb_cfg['tor_icons'][$status];
diff --git a/library/includes/init_bb.php b/library/includes/init_bb.php
index 5046afdc2..ca80bb1d0 100644
--- a/library/includes/init_bb.php
+++ b/library/includes/init_bb.php
@@ -332,7 +332,7 @@ function send_no_cache_headers()
 }
 
 /**
- * Converts "<br>" tags to "\n" line breaks
+ * Converts "<br/>" tags to "\n" line breaks
  *
  * @param string $string
  * @return string
diff --git a/library/language/source/main.php b/library/language/source/main.php
index 4aab2bcea..a7aa6556c 100644
--- a/library/language/source/main.php
+++ b/library/language/source/main.php
@@ -1442,7 +1442,7 @@ $lang['CHANGE_TOR_TYPE'] = 'Type the torrent successfully changed';
 $lang['DEL_TORRENT'] = 'Are you sure you want to delete the torrent?';
 $lang['DEL_MOVE_TORRENT'] = 'Are you sure you want to delete and move the topic?';
 $lang['UNEXECUTED_RELEASE'] = 'Do you have a shapeless release before creating a new fix his unformed!';
-$lang['TOR_STATUS_LOG_ACTION'] = 'New status: %s.<br>Previous status: %s.';
+$lang['TOR_STATUS_LOG_ACTION'] = 'New status: %s.<br/>Previous status: %s.';
 
 // tor_comment
 $lang['TOR_MOD_TITLE'] = 'Changing the status of distribution - %s';
diff --git a/src/Legacy/Attach.php b/src/Legacy/Attach.php
index ffd46e160..60db3ed6b 100644
--- a/src/Legacy/Attach.php
+++ b/src/Legacy/Attach.php
@@ -757,7 +757,7 @@ class Attach
             // Handling errors while uploading
             if (isset($this->error) && ($this->error !== UPLOAD_ERR_OK)) {
                 if (isset($lang['UPLOAD_ERRORS'][$this->error])) {
-                    bb_die($lang['UPLOAD_ERROR_COMMON'] . '<br><br>' . $lang['UPLOAD_ERRORS'][$this->error]);
+                    bb_die($lang['UPLOAD_ERROR_COMMON'] . '<br/><br/>' . $lang['UPLOAD_ERRORS'][$this->error]);
                 } else {
                     bb_die($lang['UPLOAD_ERROR_COMMON']);
                 }
diff --git a/src/Legacy/Common/Upload.php b/src/Legacy/Common/Upload.php
index 4e4f872d3..7ba79cd60 100644
--- a/src/Legacy/Common/Upload.php
+++ b/src/Legacy/Common/Upload.php
@@ -114,7 +114,7 @@ class Upload
         // Handling errors while uploading
         if (isset($this->file['error']) && ($this->file['error'] !== UPLOAD_ERR_OK)) {
             if (isset($lang['UPLOAD_ERRORS'][$this->file['error']])) {
-                $this->errors[] = $lang['UPLOAD_ERROR_COMMON'] . '<br><br>' . $lang['UPLOAD_ERRORS'][$this->file['error']];
+                $this->errors[] = $lang['UPLOAD_ERROR_COMMON'] . '<br/><br/>' . $lang['UPLOAD_ERRORS'][$this->file['error']];
             } else {
                 $this->errors[] = $lang['UPLOAD_ERROR_COMMON'];
             }
diff --git a/src/Legacy/Common/User.php b/src/Legacy/Common/User.php
index eb136e191..245e65b2a 100644
--- a/src/Legacy/Common/User.php
+++ b/src/Legacy/Common/User.php
@@ -224,7 +224,7 @@ class User
         if ($banInfo = getBanInfo((int)$this->id)) {
             $this->session_end();
             if (!empty($banInfo['ban_reason'])) {
-                bb_die($lang['YOU_BEEN_BANNED'] . '<br><br>' . $lang['REASON'] . ':&nbsp;' . '<b>' . $banInfo['ban_reason'] . '</b>');
+                bb_die($lang['YOU_BEEN_BANNED'] . '<br/><br/>' . $lang['REASON'] . ':&nbsp;' . '<b>' . $banInfo['ban_reason'] . '</b>');
             } else {
                 bb_die($lang['YOU_BEEN_BANNED']);
             }
diff --git a/styles/templates/admin/admin_sitemap.tpl b/styles/templates/admin/admin_sitemap.tpl
index ed9e83b59..20057462f 100644
--- a/styles/templates/admin/admin_sitemap.tpl
+++ b/styles/templates/admin/admin_sitemap.tpl
@@ -111,7 +111,7 @@ ajax.callback.sitemap = function(data) {
 		</td>
 		<td>
 			<textarea name="static_sitemap" rows="5" cols="70">{STATIC_SITEMAP}</textarea><br />
-			<br><p>{L_SITEMAP_ADD_EXP_1} <br><br><b style="color: #993300;">{L_SITEMAP_ADD_EXP_2}</b></p>
+			<br/><p>{L_SITEMAP_ADD_EXP_1} <br/><br/><b style="color: #993300;">{L_SITEMAP_ADD_EXP_2}</b></p>
 		</td>
 	</tr>
 	<tr>
diff --git a/styles/templates/admin/admin_user_ban.tpl b/styles/templates/admin/admin_user_ban.tpl
index e70f40e7d..65b6e9284 100644
--- a/styles/templates/admin/admin_user_ban.tpl
+++ b/styles/templates/admin/admin_user_ban.tpl
@@ -27,4 +27,4 @@
 
 </form>
 
-<br>
+<br/>
diff --git a/styles/templates/admin/index.tpl b/styles/templates/admin/index.tpl
index 357c7f6ff..bb2fdbd93 100644
--- a/styles/templates/admin/index.tpl
+++ b/styles/templates/admin/index.tpl
@@ -85,7 +85,7 @@
   }
 </script>
 
-<br>
+<br/>
 <!-- BEGIN integrity_check -->
 <!-- IF integrity_check.INTEGRITY_SUCCESS -->
 <div class="alert alert-success" style="width: 95%;">
diff --git a/styles/templates/default/index.tpl b/styles/templates/default/index.tpl
index 05eaca9ab..542ac8873 100644
--- a/styles/templates/default/index.tpl
+++ b/styles/templates/default/index.tpl
@@ -1,6 +1,6 @@
 <!-- IF #IN_DEMO_MODE -->
 <div class="tCenter">
-    <span class="leech">{L_TP_VERSION}: {$bb_cfg['tp_version']}</span><br>
+    <span class="leech">{L_TP_VERSION}: {$bb_cfg['tp_version']}</span><br/>
     <span class="seed">{L_USERNAME}: admin / {L_PASSWORD}: admin</span>
 </div>
 <!-- ENDIF -->
diff --git a/styles/templates/default/viewtopic.tpl b/styles/templates/default/viewtopic.tpl
index dbf624a58..a6d92d6e1 100644
--- a/styles/templates/default/viewtopic.tpl
+++ b/styles/templates/default/viewtopic.tpl
@@ -598,7 +598,7 @@ function build_poll_add_form (src_el)
 <!-- ENDIF -->
 
 <!-- IF QUICK_REPLY -->
-<br>
+<br/>
 <form action="{QR_POST_ACTION}" method="post" name="post" onsubmit="if(checkForm(this)){ dis_submit_btn(); }else{ return false; }">
 <input type="hidden" name="mode" value="reply" />
 <input type="hidden" name="{#POST_TOPIC_URL#}" value="{QR_TOPIC_ID}" />
diff --git a/styles/templates/default/viewtopic_attach.tpl b/styles/templates/default/viewtopic_attach.tpl
index 707522011..7aff7261d 100644
--- a/styles/templates/default/viewtopic_attach.tpl
+++ b/styles/templates/default/viewtopic_attach.tpl
@@ -160,8 +160,8 @@
 			{postrow.attach.tor_reged.TRACKER_LINK}
 			[ <span title="{postrow.attach.tor_reged.REGED_DELTA}">{postrow.attach.tor_reged.REGED_TIME}</span> ]
             <!-- IF not postrow.attach.tor_reged.TOR_FROZEN -->
-            <br><!-- IF postrow.attach.tor_reged.HASH --><br>info_hash: <span class="copyElement" data-clipboard-text="{postrow.attach.tor_reged.HASH}" title="{L_COPY_TO_CLIPBOARD}">{postrow.attach.tor_reged.HASH}</span><!-- ENDIF -->
-            <!-- IF postrow.attach.tor_reged.HASH_V2 --><br>info_hash v2: <span class="copyElement" data-clipboard-text="{postrow.attach.tor_reged.HASH_V2}" title="{L_COPY_TO_CLIPBOARD}">{postrow.attach.tor_reged.HASH_V2}</span><!-- ENDIF -->
+            <br/><!-- IF postrow.attach.tor_reged.HASH --><br/>info_hash: <span class="copyElement" data-clipboard-text="{postrow.attach.tor_reged.HASH}" title="{L_COPY_TO_CLIPBOARD}">{postrow.attach.tor_reged.HASH}</span><!-- ENDIF -->
+            <!-- IF postrow.attach.tor_reged.HASH_V2 --><br/>info_hash v2: <span class="copyElement" data-clipboard-text="{postrow.attach.tor_reged.HASH_V2}" title="{L_COPY_TO_CLIPBOARD}">{postrow.attach.tor_reged.HASH_V2}</span><!-- ENDIF -->
             <!-- ENDIF -->
         </td>
 		<td width="15%" rowspan="4" class="tCenter pad_6">