fix tips fullscreen

docs/Instruction/tips/fullscreen_image_text_up.md

 <style>
 body {
-  background-image: url(./images/dear_deer.jpg);
+  background-image: url(../../images/dear_deer.jpg);
   background-repeat: no-repeat;
   background-attachment: fixed;
   background-size: cover;
@@ -37,9 +37,60 @@ body {
 
 
 
-# Home
 
-## Welcome to Fab Academy site
+# <span style="color:white">HTML tag</span>
+``<img src="../../images/dear_deer.jpg" alt="dear" title="title">``
+
+<img src="../../images/dear_deer.jpg" alt="dear" title="title">
+
+
+# <span style="color:white">Mkdocs syntax</span>
+``![](../images/dear_deer.jpg) ``
+
+![](../images/dear_deer.jpg)
+
+<br />
+<br />
+<br />
+<br />
+<br />
+<br />
+<br />
+<br />
+<br />
+<br />
+<br />
+<br />
+
+# <span style="color:white">Code </span>
+```
+<style>
+body {
+  background-image: url(../../images/dear_deer.jpg);
+  background-repeat: no-repeat;
+  background-attachment: fixed;
+  background-size: cover;
+}
+</style>
+
+
+<br />
+<br />
+<br />
+<br />
+<br />
+
+
+
+# <span style="color:white">HTML tag</span>
+``<img src="../../images/dear_deer.jpg" alt="dear" title="title">``
+
+<img src="../../images/dear_deer.jpg" alt="dear" title="title">
+
+
+# <span style="color:white">Mkdocs syntax</span>
+``![](../images/dear_deer.jpg) ``
 
-<img src="./images/dear_deer.jpg" alt="dear" title="title">
 ![](../images/dear_deer.jpg)
+
+```