enter image description here

I have tried the ways:

'<center>
display:flex;margin:0 auto
d-flex justify-content-center
.container {
display: flex;
}
.container.space-around {
justify-content: space-around;
}
.container.space-between {
justify-content: space-between;
}'

but the zoom is broken, or cannot be set as desired : max-height:400px; max-width:100%. help me https://bangioi.com/code/zoom-click2.html