diff --git a/PowerEditor/Test/FunctionList/css/unitTest b/PowerEditor/Test/FunctionList/css/unitTest
new file mode 100644
index 000000000..6ae40c7c2
--- /dev/null
+++ b/PowerEditor/Test/FunctionList/css/unitTest
@@ -0,0 +1,183 @@
+/* PrismJS 1.15.0
+https://prismjs.com/download.html#themes=prism&languages=markup+css+clike+javascript&plugins=line-numbers */
+/**
+ * prism.js default theme for JavaScript, CSS and HTML
+ * Based on dabblet (http://dabblet.com)
+ * @author Lea Verou
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+	color: black;
+	background: none;
+	text-shadow: 0 1px white;
+	font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+	text-align: left;
+	white-space: pre;
+	word-spacing: normal;
+	word-break: normal;
+	word-wrap: normal;
+	line-height: 1.5;
+
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	tab-size: 4;
+
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+}
+
+pre[class*="language-"]::-moz-selection, pre[class*="language-"] ::-moz-selection,
+code[class*="language-"]::-moz-selection, code[class*="language-"] ::-moz-selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+pre[class*="language-"]::selection, pre[class*="language-"] ::selection,
+code[class*="language-"]::selection, code[class*="language-"] ::selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+@media print {
+	code[class*="language-"],
+	pre[class*="language-"] {
+		text-shadow: none;
+	}
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+	padding: 1em;
+	margin: .5em 0;
+	overflow: auto;
+}
+
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+	background: #f5f2f0;
+}
+
+/* Inline code */
+:not(pre) > code[class*="language-"] {
+	padding: .1em;
+	border-radius: .3em;
+	white-space: normal;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+	color: slategray;
+}
+
+.token.punctuation {
+	color: #999;
+}
+
+.namespace {
+	opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.boolean,
+.token.number,
+.token.constant,
+.token.symbol,
+.token.deleted {
+	color: #905;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+	color: #690;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string {
+	color: #9a6e3a;
+	background: hsla(0, 0%, 100%, .5);
+}
+
+.token.atrule,
+.token.attr-value,
+.token.keyword {
+	color: #07a;
+}
+
+.token.function,
+.token.class-name {
+	color: #DD4A68;
+}
+
+.token.regex,
+.token.important,
+.token.variable {
+	color: #e90;
+}
+
+.token.important,
+.token.bold {
+	font-weight: bold;
+}
+.token.italic {
+	font-style: italic;
+}
+
+.token.entity {
+	cursor: help;
+}
+
+pre[class*="language-"].line-numbers {
+	position: relative;
+	padding-left: 3.8em;
+	counter-reset: linenumber;
+}
+
+pre[class*="language-"].line-numbers > code {
+	position: relative;
+	white-space: inherit;
+}
+
+.line-numbers .line-numbers-rows {
+	position: absolute;
+	pointer-events: none;
+	top: 0;
+	font-size: 100%;
+	left: -3.8em;
+	width: 3em; /* works for line-numbers below 1000 lines */
+	letter-spacing: -1px;
+	border-right: 1px solid #999;
+
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+
+}
+
+	.line-numbers-rows > span {
+		pointer-events: none;
+		display: block;
+		counter-increment: linenumber;
+	}
+
+		.line-numbers-rows > span:before {
+			content: counter(linenumber);
+			color: #999;
+			display: block;
+			padding-right: 0.8em;
+			text-align: right;
+		}
+
diff --git a/PowerEditor/Test/FunctionList/css/unitTest.expected.result b/PowerEditor/Test/FunctionList/css/unitTest.expected.result
new file mode 100644
index 000000000..8c29af8a1
--- /dev/null
+++ b/PowerEditor/Test/FunctionList/css/unitTest.expected.result
@@ -0,0 +1 @@
+{"leaves":["pre[class*=\"language-\"] ","code[class*=\"language-\"]::-moz-selection, code[class*=\"language-\"] ::-moz-selection ","code[class*=\"language-\"]::selection, code[class*=\"language-\"] ::selection ","@media print ","\tpre[class*=\"language-\"] ","pre[class*=\"language-\"] ","pre[class*=\"language-\"] ",":not(pre) > code[class*=\"language-\"] ",".token.cdata ",".token.punctuation ",".namespace ",".token.deleted ",".token.inserted ",".style .token.string ",".token.keyword ",".token.class-name ",".token.variable ",".token.bold ",".token.italic ",".token.entity ","pre[class*=\"language-\"].line-numbers ","pre[class*=\"language-\"].line-numbers > code ",".line-numbers .line-numbers-rows ","\t.line-numbers-rows > span ","\t\t.line-numbers-rows > span:before "],"root":"unitTest"}
\ No newline at end of file
diff --git a/PowerEditor/installer/functionList/css.xml b/PowerEditor/installer/functionList/css.xml
new file mode 100644
index 000000000..ac1c77af6
--- /dev/null
+++ b/PowerEditor/installer/functionList/css.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- ==========================================================================\
+|
+|   To learn how to make your own language parser, please check the following
+|   link:
+|       https://npp-user-manual.org/docs/function-list/
+|
+\=========================================================================== -->
+<NotepadPlus>
+    <functionList>
+        <parser id="css_function" displayName="CSS">
+            <function mainExpr="^([^\n\{]+)\s*\{">
+                <functionName>
+                    <nameExpr expr="[^\n\{]+"/>
+                </functionName>
+            </function>
+        </parser>
+    </functionList>
+</NotepadPlus>
\ No newline at end of file
diff --git a/PowerEditor/installer/nsisInclude/functionList.nsh b/PowerEditor/installer/nsisInclude/functionList.nsh
index 23639de4d..e78ce9430 100644
--- a/PowerEditor/installer/nsisInclude/functionList.nsh
+++ b/PowerEditor/installer/nsisInclude/functionList.nsh
@@ -38,6 +38,11 @@ SectionGroup "Function List Files" functionListComponent
 		File ".\functionList\cs.xml"
 	${MementoSectionEnd}
 
+	${MementoSection} "CSS" CSS_FL
+		SetOutPath "$INSTDIR\functionList"
+		File ".\functionList\css.xml"
+	${MementoSectionEnd}
+
 	${MementoSection} "Assembly" Assembly_FL
 		SetOutPath "$INSTDIR\functionList"
 		File ".\functionList\asm.xml"
@@ -283,6 +288,10 @@ SectionGroup un.functionListComponent
 		Delete "$INSTDIR\functionList\cs.xml"
 	SectionEnd
 
+	Section un.CSS_FL
+		Delete "$INSTDIR\functionList\css.xml"
+	SectionEnd
+
 	Section un.JavaScript_FL
 		Delete "$INSTDIR\functionList\javascript.js.xml"
 	SectionEnd