diff --git a/src/ui/css/diff2html.css b/src/ui/css/diff2html.css
index 60f8397..020d578 100644
--- a/src/ui/css/diff2html.css
+++ b/src/ui/css/diff2html.css
@@ -6,193 +6,193 @@
  */
 
 .d2h-wrapper {
-    text-align: left;
+  text-align: left;
 }
 
 .d2h-file-header {
-    padding: 5px 10px;
-    border-bottom: 1px solid #d8d8d8;
-    background-color: #f7f7f7;
-    font: 13px Helvetica, arial, freesans, clean, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
+  padding: 5px 10px;
+  border-bottom: 1px solid #d8d8d8;
+  background-color: #f7f7f7;
+  font: 13px Helvetica, arial, freesans, clean, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
 .d2h-file-stats {
-    display: inline;
-    font-size: 12px;
-    text-align: center;
+  display: inline;
+  font-size: 12px;
+  text-align: center;
 }
 
 .d2h-lines-added {
-    text-align: right;
+  text-align: right;
 }
 
 .d2h-lines-added > * {
-    background-color: #ceffce;
-    border: 1px solid #b4e2b4;
-    color: #399839;
-    border-radius: 5px 0 0 5px;
-    padding: 2px;
+  background-color: #ceffce;
+  border: 1px solid #b4e2b4;
+  color: #399839;
+  border-radius: 5px 0 0 5px;
+  padding: 2px;
 }
 
 .d2h-lines-deleted {
-    text-align: left;
+  text-align: left;
 }
 
 .d2h-lines-deleted > * {
-    background-color: #f7c8c8;
-    border: 1px solid #e9aeae;
-    color: #c33;
-    border-radius: 0 5px 5px 0;
-    padding: 2px;
+  background-color: #f7c8c8;
+  border: 1px solid #e9aeae;
+  color: #c33;
+  border-radius: 0 5px 5px 0;
+  padding: 2px;
 }
 
 .d2h-file-name-wrapper {
-    display: inline-flex;
-    width: 90%;
+  display: inline-flex;
+  width: 90%;
 }
 
 .d2h-file-name {
-    line-height: 33px;
-    white-space: nowrap;
-    text-overflow: ellipsis;
-    overflow: hidden;
+  line-height: 33px;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  overflow: hidden;
 }
 
 .d2h-file-wrapper {
-    border: 1px solid #ddd;
-    border-radius: 3px;
-    margin-bottom: 1em;
+  border: 1px solid #ddd;
+  border-radius: 3px;
+  margin-bottom: 1em;
 }
 
 .d2h-diff-table {
-    border-collapse: collapse;
-    font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
-    font-size: 12px;
-    width: 100%;
+  border-collapse: collapse;
+  font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace;
+  font-size: 12px;
+  width: 100%;
 }
 
 .d2h-diff-tbody > tr > td > div {
-    height: 16px;
-    line-height: 16px;
+  height: 16px;
+  line-height: 16px;
 }
 
 .d2h-files-diff {
-    width: 100%;
+  width: 100%;
 }
 
 .d2h-file-diff {
-    overflow-x: scroll;
-    overflow-y: hidden;
+  overflow-x: scroll;
+  overflow-y: hidden;
 }
 
 .d2h-file-side-diff {
-    display: inline-block;
-    overflow-x: scroll;
-    overflow-y: hidden;
-    width: 50%;
-    margin-right: -4px;
+  display: inline-block;
+  overflow-x: scroll;
+  overflow-y: hidden;
+  width: 50%;
+  margin-right: -4px;
 }
 
 .d2h-code-line {
-    display: block;
-    white-space: nowrap;
-    padding: 0 10px;
-    margin-left: 80px;
+  display: block;
+  white-space: nowrap;
+  padding: 0 10px;
+  margin-left: 80px;
 }
 
 .d2h-code-side-line {
-    display: block;
-    white-space: pre;
-    padding: 0 10px;
-    height: 18px;
-    line-height: 18px;
-    margin-left: 50px;
-    /* Override HighlightJS */
-    color: inherit;
-    overflow-x: inherit;
-    background: none;
-    /* ******************** */
+  display: block;
+  white-space: pre;
+  padding: 0 10px;
+  height: 18px;
+  line-height: 18px;
+  margin-left: 50px;
+  /* Override HighlightJS */
+  color: inherit;
+  overflow-x: inherit;
+  background: none;
+  /* ******************** */
 }
 
 .d2h-code-line del,
 .d2h-code-side-line del {
-    display: inline-block;
-    margin-top: -1px;
-    text-decoration: none;
-    background-color: #ffb6ba;
-    border-radius: 0.2em;
+  display: inline-block;
+  margin-top: -1px;
+  text-decoration: none;
+  background-color: #ffb6ba;
+  border-radius: 0.2em;
 }
 
 .d2h-code-line ins,
 .d2h-code-side-line ins {
-    display: inline-block;
-    margin-top: -1px;
-    text-decoration: none;
-    background-color: #97f295;
-    border-radius: 0.2em;
+  display: inline-block;
+  margin-top: -1px;
+  text-decoration: none;
+  background-color: #97f295;
+  border-radius: 0.2em;
 }
 
 .d2h-code-line-prefix {
-    float: left;
-    background: none;
-    padding: 0;
+  float: left;
+  background: none;
+  padding: 0;
 }
 
 .d2h-code-line-ctn {
-    background: none;
-    padding: 0;
+  background: none;
+  padding: 0;
 }
 
 .line-num1 {
-    box-sizing: border-box;
-    float: left;
-    width: 40px;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    padding-left: 3px;
+  box-sizing: border-box;
+  float: left;
+  width: 40px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  padding-left: 3px;
 }
 
 .line-num2 {
-    box-sizing: border-box;
-    float: right;
-    width: 40px;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    padding-left: 3px;
+  box-sizing: border-box;
+  float: right;
+  width: 40px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  padding-left: 3px;
 }
 
 .d2h-code-linenumber {
-    box-sizing: border-box;
-    position: absolute;
-    width: 86px;
-    height: 18px;
-    padding-left: 2px;
-    padding-right: 2px;
-    line-height: 18px;
-    background-color: #fff;
-    color: rgba(0, 0, 0, 0.3);
-    text-align: right;
-    border: solid #eeeeee;
-    border-width: 0 1px 0 1px;
-    cursor: pointer;
+  box-sizing: border-box;
+  position: absolute;
+  width: 86px;
+  height: 18px;
+  padding-left: 2px;
+  padding-right: 2px;
+  line-height: 18px;
+  background-color: #fff;
+  color: rgba(0, 0, 0, 0.3);
+  text-align: right;
+  border: solid #eeeeee;
+  border-width: 0 1px 0 1px;
+  cursor: pointer;
 }
 
 .d2h-code-side-linenumber {
-    box-sizing: border-box;
-    position: absolute;
-    width: 56px;
-    padding-left: 5px;
-    padding-right: 5px;
-    height: 18px;
-    line-height: 18px;
-    background-color: #fff;
-    color: rgba(0, 0, 0, 0.3);
-    text-align: right;
-    border: solid #eeeeee;
-    border-width: 0 1px 0 1px;
-    cursor: pointer;
-    overflow: hidden;
-    text-overflow: ellipsis;
+  box-sizing: border-box;
+  position: absolute;
+  width: 56px;
+  padding-left: 5px;
+  padding-right: 5px;
+  height: 18px;
+  line-height: 18px;
+  background-color: #fff;
+  color: rgba(0, 0, 0, 0.3);
+  text-align: right;
+  border: solid #eeeeee;
+  border-width: 0 1px 0 1px;
+  cursor: pointer;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 
 /*
@@ -200,35 +200,35 @@
  */
 
 .d2h-del {
-    background-color: #fee8e9;
-    border-color: #e9aeae;
+  background-color: #fee8e9;
+  border-color: #e9aeae;
 }
 
 .d2h-ins {
-    background-color: #dfd;
-    border-color: #b4e2b4;
+  background-color: #dfd;
+  border-color: #b4e2b4;
 }
 
 .d2h-info {
-    background-color: #f8fafd;
-    color: rgba(0, 0, 0, 0.3);
-    border-color: #d5e4f2;
+  background-color: #f8fafd;
+  color: rgba(0, 0, 0, 0.3);
+  border-color: #d5e4f2;
 }
 
 .d2h-del.d2h-change, .d2h-ins.d2h-change {
-    background-color: #ffc;
+  background-color: #ffc;
 }
 
 ins.d2h-change, del.d2h-change {
-    background-color: #fad771;
+  background-color: #fad771;
 }
 
 .d2h-file-diff .d2h-del.d2h-change {
-    background-color: #fae1af;
+  background-color: #fae1af;
 }
 
 .d2h-file-diff .d2h-ins.d2h-change {
-    background-color: #ded;
+  background-color: #ded;
 }
 
 /*
@@ -236,43 +236,43 @@ ins.d2h-change, del.d2h-change {
  */
 
 .d2h-file-list-wrapper {
-    margin-bottom: 10px;
+  margin-bottom: 10px;
 }
 
 .d2h-file-list-wrapper a {
-    text-decoration: none;
-    color: #3572b0;
+  text-decoration: none;
+  color: #3572b0;
 }
 
 .d2h-file-list-wrapper a:visited {
-    color: #3572b0;
+  color: #3572b0;
 }
 
 .d2h-file-list-header {
-    text-align: left;
+  text-align: left;
 }
 
 .d2h-file-list-title {
-    font-weight: bold;
+  font-weight: bold;
 }
 
 .d2h-file-list-line {
-    text-align: left;
-    font: 13px Helvetica, arial, freesans, clean, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
+  text-align: left;
+  font: 13px Helvetica, arial, freesans, clean, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
 .d2h-file-list-line .d2h-file-name {
-    line-height: 21px;
+  line-height: 21px;
 }
 
 .d2h-file-list {
-    display: block;
+  display: block;
 }
 
 .d2h-file-switch {
-    display: none;
-    font-size: 10px;
-    cursor: pointer;
+  display: none;
+  font-size: 10px;
+  cursor: pointer;
 }
 
 /*
@@ -286,7 +286,7 @@ ins.d2h-change, del.d2h-change {
 .selecting-left .d2h-code-side-line,
 .selecting-left .d2h-code-side-line *,
 .selecting-right td.d2h-code-side-linenumber,
-.selecting-right td.d2h-code-side-linenumber *{
+.selecting-right td.d2h-code-side-linenumber * {
   -webkit-touch-callout: none;
   -webkit-user-select: none;
   -khtml-user-select: none;