fix: improvements from recording 19.02.2025

Author: danieldanielecki

README.md

@@ -2616,24 +2616,24 @@ Flexbox, short for Flexible Box Layout, is a one-dimensional layout model that a
 
 ```css
 .container {
-    background-color: #ff0000;
-    display: flex;
-    justify-content: center;
-    align-items: center;
+  background-color: #ff0000;
+  display: flex;
+  justify-content: center;
+  align-items: center;
 }
 
 .item {
-    background-color: #f1f1f1;
-    flex: 1;
-    margin: 10px;
+  background-color: #f1f1f1;
+  flex: 1;
+  margin: 10px;
 }
 ```
 
 [![Edit 063-Flexbox](images/codesandbox.svg)](https://codesandbox.io/p/sandbox/063-flexbox-f4c853)
 
 [^63]CodeSandbox: Flexbox.
 
-[^63]:[CodeSandbox: Flexbox](https://f4c853.csb.app/), last access: June 12, 2024.
+[^63]:[CodeSandbox: Flexbox](https://f4c853.csb.app/), last access: February 19, 2025.
 
 - The `display: flex;` property on the container establishes a flex container, enabling flexbox layout for its children.
 - `justify-content: center;` horizontally centers the items within the container.

__presentation-slides/index.html

@@ -1538,16 +1538,16 @@ <h1>Bootstrap Example</h1>
 
 ```css[|1|6|1,6|2|3|4|5|3-5|8|12|8,12|9|11|10|3-5,10]
 .container {
-    background-color: #ff0000;
-    display: flex;
-    justify-content: center;
-    align-items: center;
+  background-color: #ff0000;
+  display: flex;
+  justify-content: center;
+  align-items: center;
 }
 
 .item {
-    background-color: #f1f1f1;
-    flex: 1;
-    margin: 10px;
+  background-color: #f1f1f1;
+  flex: 1;
+  margin: 10px;
 }
 ```