Today I Learned

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Inline Style Attributes Should Be Camel Cased

When adding a few quick styles to React components, you can add it directly on the tags in the JSX. To do this, use the style tag with a plain old JavaScript object of styles.

<div style={{ padding: "1em", color: "#fff" }}>

If you are using a CSS attribute that is normally hyphenated like padding-top or background-color, you’ll need to camel case it in the JSX.

<div style={{ paddingTop: "1em", backgroundColor: "#fff" }}>

This is because our styles now need to conform to JavaScript syntax rules since they are in the form of a POJO.

Read the documentation for more details.