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Styled Component v5.3 createGlobalStyles not Working

I'm trying to create Global Styles for my application using createGlobalStyles but somehow the components are not rendering and I am getting a console warning.
App.js
import GlobalStyles from "./styles/GlobalStyles";
function App() {
return (
<div className="App">
<GlobalStyles>
<h1>This is a test line</h1>
</GlobalStyles>
</div>
);
}
export default App;
GlobalStyles.js
import { createGlobalStyle } from "styled-components";
const GlobalStyles = createGlobalStyle`
html {
font-size: 8px;
}
* {
padding: 0;
margin: 0;
box-sizing: border-box;
font-weight: 200;
}
body {
font-size: 8px;
}
h1 {
font-size: 2rem;
}
`;
export default GlobalStyles;
Console Error[enter image description here][1]
GlobalStyle.js:28 The global style component sc-global-dtGiqY was given child JSX. createGlobalStyle does not render children.
Error Screenshot
https://i.stack.imgur.com/QJBLz.png

Place <GlobalStyles /> as a sibling to your other content—not as a parent element trying to accept children.
<div className="App">
<GlobalStyles />
<h1>This is a test line</h1>
</div>

How to redefine a style .tippy-tooltip in "react-tippy"

I want to use "react-tippy" for my project.
How can I override the styles .tippy-tooltip?
Me need to remove padding inside the tooltip.

Here is the Tool tip component I created for my use using react tippy and styled components. You can figure out from there how to customize it to your needs:
Tooltip.js
import React from 'react';
import 'tippy.js/dist/tippy.css';
import { TooltipText, StyledTippy } from './Tooltip.styled';
const Tooltip = ({ moveDown, moveRight, content, ...props }) => (
<StyledTippy
moveDown={moveDown}
moveRight={moveRight}
content={
<TooltipText small bold>
{content}
</TooltipText>
}
placement="bottom"
{...props}
>
{props.children}
</StyledTippy>
);
export default Tooltip;
Tooltip.styled.js
import styled from 'styled-components';
import Tippy from '#tippyjs/react';
export const TooltipText = styled.p`
font-weight: 500;
font-size: 10px;
line-height: 12px;
color: ${({ theme }) => theme.colors.tooltips.simpleText};
`;
export const StyledTippy = styled(Tippy)`
z-index: 5000;
margin-top: ${({ moveDown }) => (moveDown ? `${moveDown}px` : '0')};
margin-left: ${({ moveRight }) => (moveRight ? `${moveRight}px` : '0')};
background: ${({ theme }) => theme.colors.tooltips.simpleBackground};
height: 24px;
width: 110px;
display: flex;
align-items: center;
justify-content: center;
.tippy-arrow {
color: ${({ theme }) => theme.colors.tooltips.simpleBackground};
}
`;

Change styles of component when hovering sibling

I have a simple case where I want the box2 to change background to yellow, if the box1 was hovered.
code sample:
const Box = styled.div`
height: 200px;
width: 200px;
background: blue;
`;
const Box2 = styled.div`
height: 200px;
width: 200px;
background: green;
margin-top: 20px;
${Box}:hover {
background: yellow;
}
`;
in render:
<Box>Box 1</Box>
<Box2>Box 2</Box2>
Link to the code preview:
https://stackblitz.com/edit/react-rvhgov
Thanks!
Edit This one above doesnt seem to work, dont know why, it should work?

Depend on your render items you can do it with different approaches but as things we got here, you can use adjacent sibling combinator (+) or general sibling combinator (~). So all you have to do is to replace this
${Box}:hover {
background: yellow;
}
with
/* If you want to only select the next element sibling, you should replace ~ with + */
${Box}:hover ~ & {
background: yellow
}
Working Demo:
https://stackblitz.com/edit/select-next-sibling

You can try this:
import React, { Component, useState } from 'react';
import { render } from 'react-dom';
import Hello from './Hello';
import './style.css';
import styled, {css} from 'styled-components';
const Box = styled.div`
height: 200px;
width: 200px;
background: blue;
`;
const Box2 = styled.div`
height: 200px;
width: 200px;
background: green;
margin-top: 20px;
${props => props.hovered && css`
background: yellow;
`}
`;
export default function App() {
const [hovered, setHovered] = useState(false);
return (
<div className="App">
{'' + hovered}
<h1>Hello CodeSandbox</h1>
<h2>Start editing to see some magic happen!</h2>
<Box onMouseEnter={() => setHovered(true)} onMouseLeave={() => setHovered(false)}>Box 1</Box>
<Box2 hovered={hovered}>Box 2</Box2>
</div>
);
}
render(<App />, document.getElementById('root'));
With this approach, it doesn't matter are elements/components siblings or not. It will work for siblings but also when components are nested in different subtrees.

Modifying child last component and css attribute in ReactJs

I want to show these three images from my Parent component and i am trying to remove the line after Summary breadcrumb .
trying to remove last line
This is my root Class of parent and trying to show only three images but not the line.
This is BCrumb.css file
.root {
color: #fff;
font-size: 12px;
display: flex;
padding: 1px;
justify-content: initial;
margin-left: 1%;
}
This is BCrumb.tsx class
import * as React from "react";
import classes from "./BCrumb.css";
interface IBCrumbProps {
children?: any;
}
class BCrumb extends React.Component<IBCrumbProps, {}> {
render() {
console.log("Children>>>>"+React.Children.count(this.props.children));
return <div className={classes.root}>
{React.Children.map(this.props.children, (child , i) => {
// here i am trying to hide the line after summary but i //dont know how to implement it here
if (i == 3) return
return child
})}
</div>;
}
}
export default BCrumb;
BCItems.css file
.root {
color: #297848;
font-size: 12px;
text-align: center;
margin-left: 13%;
display: flex;
justify-content: space-evenly;
}
.step-title {
color: #297848;
font-size: 12px;
text-align: center;
}
.step-icon.active {
height: 28px;
margin-bottom: 3px;
}
div.disabled {
height: 28px;
opacity: 0.5;
pointer-events: none;
}
.stepconnector {
position: fixed;
height: 1.7px;
width: 3.6%;
margin-top: 2%;
background-color: #ccc;
margin-left: 3.6%;
display: block;
}
BCItems.tsx class
import * as React from "react";
import classes from "./BCItem.css";
import classnames from "classnames";
interface IBCItemProps{
children?: any;
active?: boolean;
inactiveSrc?: boolean;
activeSrc?: boolean;
}
class BCItems extends React.Component<IBCItemProps, {}> {
render() {
const { children, active, activeSrc, inactiveSrc, label } = this.props;
const className = classnames({
[classes.root]: true,
[classes.disabled]: !active
});
//var i = ;
return (
<div className={className}>
<div>
{active ? (
<img className={classes.img1} src={activeSrc} />
) : (
<img className={classes.img1} src={inactiveSrc} />
)}
<p className={classes.labelText}>{label}</p>
</div>
<div className={classes.stepconnector}></div>
</div>
);
}
}
export default BCItems;
This is the class that showing BCrumb items
import * as React from "react";
import BCItems from "../../components/BCrumb/BCItems";
import BCrumb from "../../components/BCrumb/BCrumb";
import Step1_1 from "../../../assets/step-1-active.png";
import Step1_0 from "../../../assets/step-1.png";
import step2_1 from "../../../assets/step-2-active.png";
import step2_0 from "../../../assets/step-2.png";
import step3_1 from "../../../assets/step-3-active.png";
import step3_0 from "../../../assets/step-3.png";
import classes from "./HomePage.css";
class HomePage extends React.Component {
constructor(props) {
super(props);
this.state = { setAct1: true, setAct2: false };
}
render() {
const styles = {
containerStyle: {
paddingLeft: 37
}
};
const { containerStyle } = styles;
return (
<div>
<BCrumb>
<BCItems
active={true}
activeSrc={Step1_1}
inactiveSrc={Step1_0}
label="Profile"
/>
<BCItems
active={true}
activeSrc={Step2_1}
inactiveSrc={Step2_0}
label="DashBoard"
/>
<BCItems
active={true}
activeSrc={Step3_1}
inactiveSrc={Step3_0}
label="Summary"
/>
</BCrumb>
</div>
);
}
}
export default HomePage;
I dont know how to hide the last item of css element (line) from the parent class using React.Children.map

Use last-child, a CSS selector:
.root:last-child .stepconnector {
display: none !important;
}

Add styles to Styled Component custom Component in React Native

I have button.js:
import React from "react";
import styled from "styled-components";
const StyledButton = styled.TouchableOpacity`
border: 1px solid #fff;
border-radius: 10px;
padding-horizontal: 10px;
padding-vertical: 5px;
`;
const StyledButtonText = styled.Text`
color: #fff;
font-size: 12;
`;
export default ({ children }) => (
<StyledButton>
<StyledButtonText>{children.toUpperCase()}</StyledButtonText>
</StyledButton>
);
And its usage:
import React, { Component } from "react";
import styled from "styled-components";
import Button from "./button";
const StyledNavView = styled.View`
justify-content: flex-end;
flex-direction: row;
background: #000;
padding-horizontal: 10px;
padding-vertical: 10px;
`;
const StyledTodayButton = styled(Button)`
margin: 10px;
`;
export default class Nav extends Component {
render() {
return (
<StyledNavView>
<StyledTodayButton>Today</StyledTodayButton>
<Button>Previous</Button>
</StyledNavView>
);
}
}
Problem is, the margin I apply in StyledTodayButton is actually never applied. Have I misunderstood extending styles in Styled Components?

There are 2 ways to make it work:
extend button style:
const StyledTodayButton = Button.extend'margin: 10px'
pass prop to button:
const Button = styled.button'
/* ...your props */
margin: ${props => props.withMargin ? '10px' : '0px'};
and then call in render method you can invoke it with:
<Button withMargin {...restProps} />