I create this app with create-react-app cli
and I cannot get rid of these extra white spaces at top, left and right side of my main container. Take a look at the screenshot below. I have only one div
for this app yet and I have the following css for the div.
.mainContainer{ display: flex; flex-direction: column; background-color: black; }
What I have tried is setting both margin and padding for 0px, but neither of them works.
html, body { margin: 0; padding: 0 }
You can right-click on the page, select Inspect and you will be able to see where this margin/padding is coming from. A console will appear, move your mouse over the HTML elements to see a color overlay over the page element. You will be able to see what CSS is doing this and adjust it.
I think you will be able to get rid of it by doing this .mainContainer { padding: 0, margin: 0 }
but maybe you will only have to reset the padding or the margin, not both.
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