how to make image size bigger css code example

Example 1: make an image smaller css

css:
.example-class {
    width: 400px;
    height: auto;
}

html:
<img class="example-class" src="example.jpg"/>

Example 2: resize logo html css

#logo1 {
    width: 230px;
    height: 127px;
    
    margin: 6px;
    border-radius: 5%;
    
}