diff --git a/_coverpage.md b/_coverpage.md
index 064aa5f..ff0a6d9 100644
--- a/_coverpage.md
+++ b/_coverpage.md
@@ -1,6 +1,6 @@
 <!-- _coverpage.md -->
 
-![logo](./cover.png)
+![logo](./cover.svg)
 
 # The IT things I learned
 
@@ -9,4 +9,5 @@
 
 
 [GitHub](https://github.com/wahyd4/knowledge-mind-mapping)
-[Get Started](#knowledge-mind-mapping)
\ No newline at end of file
+[Get Started](#knowledge-mind-mapping)
+
diff --git a/_sidebar.md b/_sidebar.md
index aef38f6..8937676 100644
--- a/_sidebar.md
+++ b/_sidebar.md
@@ -1,7 +1,7 @@
 <!-- docs/_sidebar.md -->
 
 - [Home](/)
-- [**Go**](categories/go.md)
+- [Go](categories/go.md)
 - [Java](golang.md)
 - [JavaScript](golang.md)
 - [Ruby](golang.md)
@@ -13,4 +13,4 @@
 - [Web Scraping](golang.md)
 - [Devops](golang.md)
 - [Web](golang.md)
-- [Success Team Work](golang.md)
\ No newline at end of file
+- [Success Team Work](categories/team-work.md)
\ No newline at end of file
diff --git a/categories/team-work.md b/categories/team-work.md
new file mode 100644
index 0000000..df435eb
--- /dev/null
+++ b/categories/team-work.md
@@ -0,0 +1,49 @@
+## Agile
+
+- Retrospective
+- Iteration meeting
+- Showcase
+- Code review
+- Pair programming
+- Instant feedback
+
+## Kanban
+
+## Tools
+
+- ThoughtWorks Tech Radar
+- CI
+- CD
+- monitoring/debuging
+    - NewRelic
+    - Sentry
+    - Google analytics
+    - Prometheus
+        - cadvisor
+            - get metrics of containers
+        - alertmanager
+            - alert
+        - node exporter
+            - exporters for machine metrics
+        - grafana
+            - UI charts analytics
+        - docker-compose
+            - [https://github.com/vegasbrianc/prometheus](https://github.com/vegasbrianc/prometheus)
+    - bosun
+        - components
+            - opentsdb
+            - cadvisor
+- Cross-functional team
+	- One role can do others works
+		- Dev can do test
+		- QA can write BDD and automation tests
+	- One Delivery team
+	- High spped
+		- Team members can address problems more quickly
+
+## Test
+
+- unit test
+- integration test
+- functional test
+	- selenium
diff --git a/cover.png b/cover.png
deleted file mode 100644
index 930c764..0000000
Binary files a/cover.png and /dev/null differ
diff --git a/cover.svg b/cover.svg
new file mode 100755
index 0000000..d0363a6
--- /dev/null
+++ b/cover.svg
@@ -0,0 +1,309 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 22.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Calque_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 432 432" style="enable-background:new 0 0 432 432;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#957452;}
+	.st1{fill:#88573C;}
+	.st2{fill:#D6C49A;}
+	.st3{fill:#E52627;}
+	.st4{fill:#CDCCCC;}
+	.st5{fill:#264395;}
+	.st6{fill:#1E274A;}
+	.st7{fill:#EC6625;}
+	.st8{fill:#020203;}
+	.st9{fill:#E52521;}
+	.st10{fill:#808181;}
+	.st11{fill:#FFE324;}
+	.st12{fill:#3F4244;}
+	.st13{fill:#009F4A;}
+	.st14{fill:#343434;}
+	.st15{fill:#78170E;}
+	.st16{fill:#F0E9D5;}
+	.st17{fill:#272531;}
+	.st18{fill:#222B56;}
+	.st19{fill:#9BD2CC;}
+	.st20{fill:#83B143;}
+	.st21{fill:#1B1B1B;}
+	.st22{fill:#FFFFFF;}
+	.st23{fill:#DDD6C3;}
+	.st24{fill:#997F64;}
+	.st25{fill:#77684B;}
+	.st26{fill:#A89877;}
+	.st27{fill:#B4B4B4;}
+	.st28{fill:#DDCEBB;}
+	.st29{fill:#9A2A1A;}
+	.st30{fill:#5E1C0C;}
+	.st31{fill:#F1CA43;}
+	.st32{fill:#A57B46;}
+	.st33{fill:#F18538;}
+	.st34{fill:#F2AC64;}
+	.st35{fill:#FAB42D;}
+	.st36{fill:#46494E;}
+	.st37{fill:#CF875E;}
+	.st38{fill:#E7E6E6;}
+	.st39{fill:#1A181D;}
+	.st40{fill:#637644;}
+	.st41{fill:#9F1E29;}
+	.st42{fill:#F9B03D;}
+	.st43{fill:#0D71B9;}
+	.st44{fill:#E52629;}
+	.st45{fill:#676767;}
+	.st46{fill:#30358C;}
+	.st47{fill:#9A9999;}
+	.st48{fill:#3F4798;}
+	.st49{fill:#2DABE3;}
+	.st50{fill:#C1292E;}
+	.st51{fill:#F2F2F2;}
+	.st52{fill:#AA7C4C;}
+	.st53{fill:#D6A573;}
+	.st54{fill:#29ACE1;}
+	.st55{fill:#88C05E;}
+	.st56{fill:#F39323;}
+	.st57{fill:#EB5B28;}
+	.st58{fill:#B85965;}
+	.st59{fill:#A67D52;}
+	.st60{fill:#8C633A;}
+	.st61{fill:#009245;}
+	.st62{fill:#066938;}
+	.st63{fill:#7D252D;}
+	.st64{fill:#95D3E3;}
+	.st65{fill:#603914;}
+	.st66{fill:#EFC9AF;}
+	.st67{fill:#D987B8;}
+	.st68{fill:#8FC14D;}
+	.st69{fill:#C69C6C;}
+	.st70{fill:#2BADE1;}
+	.st71{fill:#A4C958;}
+	.st72{fill:#754D24;}
+	.st73{fill:#35AE73;}
+	.st74{fill:#E0B99E;}
+	.st75{fill:#BDCCD4;}
+	.st76{fill:#0C0D0D;}
+	.st77{fill:#F4E152;}
+	.st78{fill:#1E1911;}
+	.st79{fill:#A1BD4F;}
+	.st80{fill:#CBE6DC;}
+	.st81{fill:#B5DCCE;}
+	.st82{fill:#1F1D1B;}
+	.st83{fill:#746458;}
+	.st84{fill:#C7B29A;}
+	.st85{fill:#998675;}
+	.st86{fill:#428540;}
+	.st87{fill:#E3E5E3;}
+	.st88{fill:#161617;}
+	.st89{fill:#1E1F1E;}
+	.st90{fill:#474847;}
+	.st91{fill:#191A19;}
+	.st92{fill:#4B2C15;}
+	.st93{fill:#92552A;}
+	.st94{fill:#7EA847;}
+	.st95{fill:#D59E2B;}
+	.st96{fill:#807E79;}
+	.st97{fill:#E5B744;}
+	.st98{fill:#8EC045;}
+	.st99{fill:#3B569A;}
+	.st100{fill:#A1B7E0;}
+	.st101{fill:#8FC9CC;}
+	.st102{fill:#9ED1CA;}
+	.st103{fill:#81AAA9;}
+	.st104{fill:#E1783D;}
+	.st105{fill:#64328A;}
+	.st106{fill:#DEDEA5;}
+	.st107{fill:#754997;}
+	.st108{fill:#EE6F43;}
+	.st109{fill:#A6CB67;}
+	.st110{fill:#8FB7C0;}
+	.st111{fill:#E2E1DF;}
+	.st112{fill:#2C3E70;}
+	.st113{fill:#D9BF96;}
+	.st114{fill:#9C6941;}
+	.st115{fill:#61605E;}
+	.st116{fill:#9C9A99;}
+	.st117{fill:#245F3D;}
+	.st118{fill:#191713;}
+	.st119{fill:#C39A62;}
+	.st120{fill:#A17C4F;}
+	.st121{fill:#F39200;}
+	.st122{fill:#432918;}
+	.st123{fill:#B17F4A;}
+	.st124{fill:#FFCE1E;}
+	.st125{fill:#BE1622;}
+	.st126{fill:#3AAA35;}
+	.st127{fill:#911825;}
+	.st128{fill:#009FE3;}
+	.st129{fill:#E94E1B;}
+	.st130{fill:#FFCC03;}
+	.st131{fill:#95C11F;}
+	.st132{fill:#00A19A;}
+	.st133{fill:#683C11;}
+	.st134{fill:#878787;}
+	.st135{fill:#634E42;}
+	.st136{fill:#CBBBA0;}
+	.st137{fill:#7B5B41;}
+	.st138{fill:#493E36;}
+	.st139{fill:#78A62C;}
+	.st140{fill:#2C8535;}
+	.st141{fill:#F9B233;}
+	.st142{fill:none;}
+	.st143{fill:#CA9E67;}
+	.st144{fill:#E30613;}
+	.st145{fill:#C6C6C6;}
+	.st146{fill:#575756;}
+	.st147{fill:#7B6A58;}
+	.st148{fill:#A3C5D7;}
+	.st149{fill:#332C25;}
+	.st150{fill:#29235C;}
+	.st151{fill:#E6332A;}
+	.st152{fill:#738D93;}
+	.st153{fill:#C87B31;}
+	.st154{fill:#5BBCA7;}
+	.st155{fill:#EF786F;}
+	.st156{fill:#EE8D9E;}
+	.st157{fill:#A74B56;}
+	.st158{fill:#E72D7B;}
+	.st159{fill:#E84138;}
+	.st160{fill:#3B2315;}
+	.st161{fill:#8EC044;}
+	.st162{fill:#A1C74B;}
+	.st163{fill:#231F20;}
+	.st164{fill:#F6D9A7;}
+	.st165{fill:#F4A5A6;}
+	.st166{fill:#6E6F70;}
+	.st167{fill:#F8AF41;}
+	.st168{fill:#B79C19;}
+	.st169{fill:#EFD101;}
+	.st170{fill:#207A97;}
+	.st171{fill:#20ACE3;}
+	.st172{fill:#C51618;}
+	.st173{fill:#C19446;}
+	.st174{fill:#9E599F;}
+	.st175{fill:#CD95C2;}
+	.st176{fill:#F29A26;}
+	.st177{fill:#FCCE8D;}
+	.st178{fill:#F39B85;}
+	.st179{fill:#E52628;}
+	.st180{fill:#6BB52D;}
+</style>
+<g>
+	<g>
+		<g>
+			<path class="st52" d="M164.5,174.5c-0.2-0.6-0.4-1.3-0.7-1.9c-1.1-2.8-2.5-5.5-4.1-7.9c-0.9-1.3-1.9-2.6-2.9-3.8
+				c-8.8-10-22.5-15.3-36.6-12.5s-24.8,12.7-29.2,25.3c-0.5,1.5-1,3-1.3,4.6c-0.6,2.9-0.9,5.9-0.8,8.9c0,0.7,0,1.3,0.1,2
+				c0.1,1.5,0.3,3.1,0.6,4.6s0.7,3,1.2,4.5c0.2,0.6,0.4,1.3,0.7,1.9c1.1,2.8,2.5,5.5,4.1,7.9c0.9,1.3,1.9,2.6,2.9,3.8
+				c8.8,10,22.5,15.2,36.6,12.5c14-2.7,24.8-12.7,29.2-25.3c0.5-1.5,0.9-3,1.3-4.6c0.6-2.9,0.9-5.8,0.8-8.9c0-0.7-0.1-1.3-0.1-2
+				c-0.1-1.5-0.3-3.1-0.6-4.6C165.4,177.5,165,176,164.5,174.5z"/>
+			<g>
+				<path class="st53" d="M173.4,163.9c-4.2,0.1-8.8,0.4-13.7,0.8c1.7,2.4,3.1,5.1,4.1,7.9c0.2,0.6,0.5,1.2,0.7,1.9
+					c11.1-0.8,18.8-0.5,22.9,0.2c-3.5,2.3-10.6,5.4-21.2,8.9c-2.2,0.7-4.5,1.4-7,2.1c-8.4,2.4-18.5,4.9-30.3,7.2
+					c-11.9,2.3-22.2,3.8-30.8,4.7c-2.6,0.3-5,0.5-7.3,0.6c-11.1,0.8-18.8,0.5-23-0.2c3.5-2.3,10.6-5.4,21.2-8.8
+					c-0.1-0.7-0.1-1.3-0.1-2c-0.1-3,0.2-6,0.8-8.9c-4.7,1.4-9,2.9-13,4.4c-16.1,6.1-22.5,11.4-21.2,17.7c1.2,6.3,9.1,8.8,26.3,8.4
+					c4.2-0.1,8.8-0.4,13.7-0.8c2.7-0.2,5.4-0.5,8.2-0.9c8.5-1,17.7-2.5,27-4.3c9.4-1.8,18.4-3.9,26.7-6.2c2.8-0.8,5.4-1.5,8-2.3
+					c4.7-1.4,9-2.9,13-4.4c16.1-6.1,22.5-11.4,21.2-17.7C198.5,166.1,190.6,163.5,173.4,163.9z"/>
+			</g>
+		</g>
+		<g>
+			<path class="st54" d="M180.8,108.8c0,58.6,88.8,58.7,88.8,0C269.6,50.2,180.8,50.1,180.8,108.8z"/>
+			<path class="st55" d="M228.7,80.3c0.4-1.6,1.4-2.3,1.4-4.4c0-2.6-1.2-6.5-6.3-3.9c-1.6,1-3.5,2.2-5.9,0.7
+				c-7.8-4.5-15.2,4-8.8,14.1c2,3.2-7,18.6,9.4,8.6c3.5-2.1,5.7,1.1,9,0.4C236,94.1,227.8,84.2,228.7,80.3z"/>
+			<path class="st55" d="M262.5,103c-4.9-29.2-22.4-19.1-17.3-6.6c4.5,11.3-12.4,12.6-5.5,23.9c4,6.5,1.1,5.3,1.4,8.4
+				c0.4,5.3,7.7,6.9,13.1-0.8C255.2,126.4,264.2,113.2,262.5,103z"/>
+			<path class="st55" d="M234.9,109.5c7.7-10.1-0.4-12.7-4.4-8.6c-9.8,10.4-11.7-7.7-18.9,8.2c-9.2,20.5-7.7-17.9-21.2-3.7
+				c-2.7,2.7-3.6,20,7.2,25c8.9,4.1,3.6,6,8.7,11.4c10.8,11.6,12.6-5,14-6.3c1.9-1.7,12.7-2.3,11.1-12.3c-0.5-3.1-1.6-5.5-0.2-8.6
+				C232.2,112.7,233.7,111.1,234.9,109.5z"/>
+		</g>
+		<g>
+			<g>
+				<path class="st56" d="M376.5,169.4c0,2.9-0.2,6-0.8,9.1c-0.6,2.9-1.4,5.8-2.6,8.9c-0.2,0.6-0.4,1.1-0.7,1.7
+					c-0.6,1.5-1.3,3-2.1,4.3c-2.2,4.1-4.8,7.7-7.7,10.6c-0.3,0.3-0.6,0.5-0.9,0.8c-1,1-2.1,1.9-3.2,2.8h0
+					c-4.8,3.7-10.2,6.1-15.8,7.3c0,0,0,0,0,0c-12.5,2.7-26.1-0.3-36.7-7.5c0,0,0,0,0,0c-4.4-3-8.3-6.7-11.5-11
+					c-3.7-5.2-6.3-11.2-7.3-18c-0.6-4.4-0.5-9.2,0.5-14.1c0.3-1.5,0.6-2.9,1.1-4.4c0.4-1.4,0.9-2.9,1.5-4.3c0-0.1,0.1-0.2,0.2-0.4
+					c0.7-1.7,1.4-3.3,2.2-4.8c3.2-6.2,7.2-11,11.8-14.6c2.5-2,5.2-3.6,8.1-4.9c2.3-1.1,4.7-1.9,7.2-2.5c16.1-3.9,34.3,1.9,45.7,14
+					c5.8,6.1,9.8,13.9,10.9,22.8C376.4,166.5,376.5,167.9,376.5,169.4z"/>
+			</g>
+			<g>
+				<g>
+					<path class="st42" d="M376.5,169.4c0,2.9-0.2,6-0.8,9.1c-17-4.8-66.7-24.3-83.1-28.3c3.2-6.2,7.2-11,11.8-14.6
+						C322.7,149.3,357.4,163.2,376.5,169.4z"/>
+					<path class="st42" d="M362.7,204c-0.3,0.3-0.6,0.5-0.9,0.8c-17.1-4.8-51.7-15.3-74.6-26.5c-0.6-4.4-0.5-9.2,0.5-14.1
+						C303.6,172.5,343.4,195.3,362.7,204z"/>
+				</g>
+				<g>
+					<path class="st57" d="M372.5,189.1c-0.6,1.5-1.3,3-2.1,4.3c-1.9-0.5-4-1.3-6.4-2.2c-10-4.1-55.9-23.3-75.2-31.4
+						c0.4-1.4,0.9-2.9,1.5-4.3c0-0.1,0.1-0.2,0.2-0.4C309.1,162.3,353.7,180.9,372.5,189.1z"/>
+					<path class="st57" d="M376.2,165.1c-13.6-6.1-49.7-24.7-63.8-34.3c2.3-1.1,4.7-1.9,7.2-2.5c10.4,4.6,31.3,10.1,45.7,14
+						C371.1,148.4,375.1,156.1,376.2,165.1z"/>
+					<path class="st57" d="M358.6,207.6c-4.8,3.7-10.2,6.1-15.8,7.3c0,0,0,0,0,0c-11.4-2.1-25.2-5-36.7-7.5c0,0,0,0,0,0
+						c-4.4-3-8.3-6.7-11.5-11C317.8,200.9,347.4,205.5,358.6,207.6z"/>
+				</g>
+			</g>
+		</g>
+		<g>
+			<path class="st58" d="M189.7,289.3c0,10.8-4.3,20.6-11.2,27.8c-4,4.2-9,7.6-14.6,9.8h0c-4.5,1.7-9.4,2.7-14.5,2.7
+				c-4.2,0-8.3-0.7-12.1-1.9c-7.6-2.4-14.3-7-19.2-13.1c-5.6-6.9-9-15.7-9-25.3v-0.1c0-3.8,0.5-7.5,1.5-10.9
+				c4.8-16.9,20.3-29.3,38.7-29.3c18.1,0,33.3,11.9,38.5,28.3c1,3.2,1.6,6.6,1.8,10.1C189.6,288,189.7,288.6,189.7,289.3z"/>
+			<g>
+				<path class="st50" d="M127.9,283.8c0,3.1-7.2,5.5-16.1,5.5c-0.9,0-1.9,0-2.7-0.1c0-3.8,0.5-7.5,1.5-10.9c0.4,0,0.8,0,1.2,0
+					C120.7,278.2,127.9,280.7,127.9,283.8z"/>
+				<ellipse class="st50" cx="147.3" cy="266.2" rx="16.1" ry="11"/>
+				<ellipse class="st50" cx="157.7" cy="301.1" rx="10.4" ry="7.1"/>
+				<path class="st50" d="M178.5,317.1c-4,4.2-9,7.6-14.6,9.8h0c-2.6-1.3-4.4-3.4-4.4-5.8c0-3.9,4.6-7.1,10.4-7.1
+					C173.5,313.9,176.6,315.2,178.5,317.1z"/>
+				<path class="st50" d="M138.3,320.1c0,2.7-0.4,5.3-1,7.6c-7.6-2.4-14.3-7-19.2-13.1c1.4-7.1,5.3-12.2,9.9-12.2
+					C133.6,302.5,138.3,310.4,138.3,320.1z"/>
+				<path class="st50" d="M189.6,287.4c-1.4,0.1-3,0.2-4.5,0.2c-9.8,0-17.6-2.3-17.6-5.2c0-2.9,7.9-5.2,17.6-5.2
+					c0.9,0,1.9,0,2.8,0.1C188.8,280.5,189.4,283.9,189.6,287.4z"/>
+			</g>
+		</g>
+	</g>
+	<g>
+		<circle class="st38" cx="127.7" cy="115.9" r="7.9"/>
+		<circle class="st38" cx="261.7" cy="182.2" r="7.9"/>
+		<circle class="st38" cx="299.7" cy="110.8" r="5.6"/>
+		<circle class="st38" cx="344.4" cy="242.2" r="5.6"/>
+		<circle class="st38" cx="98" cy="244" r="5.6"/>
+	</g>
+	<g>
+		<g>
+			<path class="st4" d="M321.9,361.5l-59.2-102.5c-0.3-0.9-0.9-1.7-1.7-2.2c-0.5-0.3-1.1-0.5-1.7-0.5c-0.1,0-0.1,0-0.2,0
+				c0,0-0.1,0-0.1,0c0,0-0.1,0-0.1,0c0,0-0.1,0-0.1,0c0,0,0,0,0,0c-0.1,0-0.3,0-0.4,0c-0.1,0-0.2,0-0.3,0.1c-0.1,0-0.3,0.1-0.4,0.1
+				c-0.1,0-0.2,0.1-0.3,0.1c-0.1,0-0.2,0.1-0.3,0.1c-0.1,0-0.1,0.1-0.2,0.1c-0.1,0-0.1,0.1-0.2,0.1c-0.1,0.1-0.3,0.2-0.4,0.3
+				c0,0.1-0.1,0.1-0.1,0.1c-0.1,0.1-0.2,0.3-0.3,0.4c-0.1,0.1-0.1,0.1-0.1,0.2c-0.1,0.1-0.2,0.3-0.2,0.4c0,0.1-0.1,0.2-0.1,0.3
+				c0,0.1,0,0.1-0.1,0.1l-59.2,102.5c-1.1,1.8-0.4,4.2,1.4,5.2c1.8,1.1,4.2,0.4,5.2-1.4l38.7-67l2.5-4.3l11.2-19.4v14.3v43.9
+				c0,2.1,1.7,3.8,3.8,3.8c2.1,0,3.8-1.7,3.8-3.8v-43.9v-14.5l11.3,19.7l2.5,4.3l38.7,67c1.1,1.8,3.4,2.5,5.2,1.4
+				C322.3,365.6,322.9,363.3,321.9,361.5z"/>
+			<g>
+				<path class="st8" d="M276.6,298.3h-9.7c-0.6,2.3-2.1,4.1-4.2,5.2c-1.1,0.6-2.5,1-3.8,1c-1.4,0-2.7-0.3-3.8-1
+					c-2-1.1-3.5-2.9-4.1-5.2h-9.5l2.5-4.3h7.1c0.6-2.3,2.1-4.1,4.1-5.2c1.1-0.6,2.5-1,3.8-1c1.4,0,2.7,0.3,3.8,1
+					c2,1.1,3.6,2.9,4.2,5.2h7.2L276.6,298.3z"/>
+				<g>
+					<path class="st8" d="M220.6,335.8l-7.9-4.1c-1.5-0.8-2.1-2.7-1.4-4.2l0.3-0.6c0.8-1.5,2.7-2.1,4.2-1.4l7.9,4.1
+						c1.5,0.8,2.1,2.7,1.4,4.2l-0.3,0.6C224,336,222.2,336.6,220.6,335.8z"/>
+					<path class="st8" d="M297.3,335.8l7.9-4.1c1.5-0.8,2.1-2.7,1.4-4.2l-0.3-0.6c-0.8-1.5-2.7-2.1-4.2-1.4l-7.9,4.1
+						c-1.5,0.8-2.1,2.7-1.4,4.2l0.3,0.6C293.9,336,295.8,336.6,297.3,335.8z"/>
+				</g>
+			</g>
+		</g>
+		<g>
+			<g>
+				<path class="st4" d="M251.7,222.5l1.8-5.1c0.4-1.2,1.8-1.9,3-1.4l31.2,11.2c1.2,0.4,1.8,1.8,1.4,3l-1.8,5.1
+					c-0.4,1.2-1.8,1.9-3,1.4l-31.2-11.2C251.9,225.1,251.3,223.7,251.7,222.5z"/>
+				<g>
+					<path class="st8" d="M275.9,233.7l3.4-9.5l8.4,3c1.2,0.4,1.8,1.8,1.4,3l-1.8,5.1c-0.4,1.2-1.8,1.9-3,1.4L275.9,233.7z"/>
+					<path class="st8" d="M251.7,222.5l1.8-5.1c0.4-1.2,1.8-1.9,3-1.4l5.1,1.8l-3.4,9.5l-5.1-1.8
+						C251.9,225.1,251.3,223.7,251.7,222.5z"/>
+				</g>
+			</g>
+			<path class="st8" d="M328.6,264.6l-34.9-13.4c0.9-2.6-0.5-5.6-3.1-6.6l-21.7-8.3l5.2-13.5c0.4-1.1-0.1-2.3-1.2-2.7l-1.7-0.7
+				c-1.1-0.4-2.3,0.1-2.7,1.2l-5.2,13.5l-42.5-16.3c-2.7-1-5.8,0.3-6.8,3l-5.1,13.4c-1,2.7,0.3,5.8,3,6.8l69.9,26.8
+				c2.6,1,5.6-0.3,6.7-2.8l34.9,13.4c2.7,1,5.4,0.6,6.1-1.1l3.1-8C333,267.8,331.3,265.6,328.6,264.6z"/>
+			<g>
+				<path class="st4" d="M207.2,246.3l-4.3-1.6c-2.4-0.9-3.6-3.6-2.7-5.9l10.2-26.7c0.9-2.4,3.6-3.6,5.9-2.7l4.3,1.6
+					c2.4,0.9,3.6,3.6,2.7,5.9l-10.2,26.7C212.2,246,209.5,247.2,207.2,246.3z"/>
+				<path class="st4" d="M293.6,251.4l-5.1,13.4c-1,2.7-4.1,4.1-6.8,3l-6.3-2.4l8.9-23.2l6.3,2.4
+					C293.2,245.6,294.6,248.7,293.6,251.4z"/>
+			</g>
+		</g>
+	</g>
+</g>
+</svg>
diff --git a/index.html b/index.html
index a6c38ea..581de5e 100644
--- a/index.html
+++ b/index.html
@@ -8,6 +8,11 @@
     <meta name="description" content="Description">
     <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
     <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css">
+    <style>
+        img[alt="logo"] {
+            width: 20%;
+        }
+    </style>
 </head>
 
 <body>
@@ -17,7 +22,7 @@
             name: 'The IT things I learned',
             repo: 'https://github.com/wahyd4/knowledge-mind-mapping',
             loadSidebar: true,
-            subMaxLevel: 5,
+            subMaxLevel: 3,
             formatUpdated: '{MM}/{DD} {HH}:{mm}',
             coverpage: true
         }