diff --git a/themes/github-light.css b/themes/github-light.css
index 0342796b6..4ba6dcd90 100644
--- a/themes/github-light.css
+++ b/themes/github-light.css
@@ -1,262 +1,131 @@
 .editor, .editor .gutter {
   background-color: #FFFFFF;
-  color: #000000;
+  color: #555;
 }
 
 .editor.focused .cursor {
-  border-color: #A7A7A7;
+  border-color: #615649;
 }
 
 .editor.focused .selection .region {
-  background-color: #E0E0ED;
+  background-color: #afc4da;
 }
 
 .editor.focused .line-number.cursor-line-no-selection, .editor.focused .line.cursor-line {
-  background-color: #D7D7D7;
+  background-color: #eee;
 }
 
 .comment {
-  color: #898989;
-}
-
-.entity {
-  color: #A15001;
-}
-
-.keyword {
-  color: #016692;
-}
-
-.entity.name.type {
-  text-decoration: underline;
-  color: #646409;
-}
-
-.support {
-  color: #646409;
-}
-
-.storage {
-  color: #877611;
-}
-
-.storage.modifier {
-  color: #014A69;
-}
-
-.constant {
-  color: #333366;
+  color: #b8b6b1;
 }
 
 .string {
-  color: #009F78;
+  color: #D14;
 }
 
 .constant.numeric {
-  color: #8C008A;
+  color: #D14;
 }
 
-.punctuation {
+.constant.language {
+  color: #606aa1;
+}
+
+.constant.character, .constant.other {
+  color: #606aa1;
 }
 
 .variable {
-  color: #696989;
+  color: #008080;
 }
 
-.invalid.deprecated {
+.keyword {
+  color: #222;
+}
+
+.storage {
+  color: #222;
+}
+
+.storage.type {
+  color: #222;
+}
+
+.entity.name.class {
   text-decoration: underline;
-  color: #A00294;
-}
-
-.invalid.illegal {
-  color: #A00294;
-  background-color: rgba(223, 104, 217, 0.75);
-}
-
-.text .source {
-  background-color: rgba(177, 179, 186, 0.03);
+  color: #606aa1;
 }
 
 .entity.other.inherited-class {
-  color: #D19264;
+  text-decoration: underline;
+  color: #606aa1;
 }
 
-.source .string .source {
-  color: #000000;
+.entity.name.function {
+  color: #900;
 }
 
-.source .string .source .punctuation.section.embedded {
-  color: #00FF00;
+.variable.parameter {
+  color: #606aa1;
 }
 
-.string .constant {
-  color: #00FF00;
-}
-
-.string.regexp {
-  color: #9D7416;
-}
-
-.string.regexp .constant.character.escape, .string.regexp .source.ruby.embedded, .string.regexp .string.regexp.arbitrary-repitition {
-  color: #FF8000;
-}
-
-.string.regexp.group {
-  color: #B08C39;
-  background-color: rgba(0, 0, 0, 0.1);
-}
-
-.string.regexp.character-class {
-  color: #C29B4E;
-}
-
-.string .variable {
-  color: #756565;
-}
-
-.support.function {
-  color: #7A7025;
-}
-
-.support.constant {
-  color: #582B00;
-}
-
-.meta.preprocessor.c {
-  color: #765757;
-}
-
-.meta.preprocessor.c .keyword {
-  color: #502424;
-}
-
-.meta.cast {
-  color: #010101;
-}
-
-.meta.sgml.html .meta.doctype, .meta.sgml.html .meta.doctype .entity, .meta.sgml.html .meta.doctype .string, .meta.xml-processing, .meta.xml-processing .entity, .meta.xml-processing .string {
-  color: #010101;
-}
-
-.meta.tag, .meta.tag .entity {
-  color: #0067C2;
-}
-
-.source .entity.name.tag, .source .entity.other.attribute-name, .meta.tag.inline, .meta.tag.inline .entity {
-  color: #00528B;
+.entity.name.tag {
+  color: #008080;
 }
 
 .entity.other.attribute-name {
-  color: #BC4D00;
+  color: #458;
 }
 
-.entity.name.tag.namespace, .entity.other.attribute-name.namespace {
-  color: #9B431E;
+.support.function {
+  color: #458;
 }
 
-.meta.selector.css .entity.name.tag {
-  text-decoration: underline;
-  color: #0067C2;
+.support.constant {
+  color: #458;
 }
 
-.meta.selector.css .entity.other.attribute-name.tag.pseudo-class {
-  color: #628795;
+.support.type, .support.class {
+  color: #458;
 }
 
-.meta.selector.css .entity.other.attribute-name.id {
-  color: #667587;
+.support.other.variable {
 }
 
-.meta.selector.css .entity.other.attribute-name.class {
-  color: #2A85CF;
+.invalid {
+  color: #F8F8F0;
+  background-color: #00A8C6;
 }
 
-.support.type.property-name.css {
-  color: #000000;
+.invalid.deprecated {
+  color: #F8F8F0;
+  background-color: #8FBE00;
 }
 
-.meta.property-group .support.constant.property-value.css, .meta.property-value .support.constant.property-value.css {
-  color: #675C06;
-}
-
-.meta.preprocessor.at-rule .keyword.control.at-rule {
-  color: #795A5A;
-}
-
-.meta.property-value .support.constant.named-color.css, .meta.property-value .constant {
-  color: #3C785D;
-}
-
-.meta.constructor.argument.css {
-  color: #628795;
+.meta.structure.dictionary.json .string.quoted.double.json {
+  color: #CFCFC2;
 }
 
 .meta.diff, .meta.diff.header {
-  color: #FFFFFF;
-  background-color: #0E2231;
+  color: #75715E;
 }
 
 .markup.deleted {
-  color: #FFFFFF;
-  background-color: #420E09;
-}
-
-.markup.changed {
-  color: #FFFFFF;
-  background-color: #4A410D;
+  color: #00A8C6;
 }
 
 .markup.inserted {
-  color: #FFFFFF;
-  background-color: #253B22;
+  color: #A6E22E;
 }
 
-.markup.italic {
-  color: #9D7416;
+.markup.changed {
+  color: #E6DB74;
 }
 
-.markup.bold {
-  color: #9D7416;
+.constant.numeric.line-number.find-in-files .- .match {
+  color: rgba(143, 190, 0, 0.63);
 }
 
-.markup.underline {
-  text-decoration: underline;
-  color: #9B431E;
-}
-
-.markup.quote {
-  color: #46391E;
-  background-color: rgba(254, 224, 156, 0.07);
-}
-
-.markup.heading, .markup.heading .entity {
-  color: #D95B06;
-  background-color: #632D04;
-}
-
-.markup.list {
-  color: #46391E;
-}
-
-.markup.raw {
-  color: #7C4CA8;
-  background-color: rgba(177, 179, 186, 0.03);
-}
-
-.markup .comment {
-  color: #C84D09;
-}
-
-.meta.separator {
-  color: #746DFF;
-  background-color: #242424;
-}
-
-.meta.line.entry.logfile, .meta.line.exit.logfile {
-  background-color: rgba(238, 238, 238, 0.16);
-}
-
-.meta.line.error.logfile {
-  color: #FFFFFF;
-  background-color: #751012;
+.entity.name.filename.find-in-files {
+  color: #E6DB74;
 }
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