csslayout/client/patterns/dropdown/Details.tsx

/**
 * A collection of popular layouts and patterns made with CSS (https://csslayout.io)
 * (c) 2019 - 2021 Nguyen Huu Phuoc <https://twitter.com/nghuuphuoc>
 */

import * as React from 'react';
import { Helmet } from 'react-helmet';

import './dropdown.css';

import RelatedPatterns from '../../components/RelatedPatterns';
import Pattern from '../../constants/Pattern';
import DetailsLayout from '../../layouts/DetailsLayout';
import Block from '../../placeholders/Block';
import BrowserFrame from '../../placeholders/BrowserFrame';
import Rectangle from '../../placeholders/Rectangle';
import Triangle from '../../placeholders/Triangle';

const Details: React.FC<{}> = () => {
    return (
        <DetailsLayout pattern={Pattern.Dropdown}>
            <Helmet>
                <meta name="description" content="Create a dropdown with CSS" />
                <meta name="og:description" content="Create a dropdown with CSS" />
                <meta name="twitter:description" content="Create a dropdown with CSS" />
                <meta name="keywords" content="css dropdown, css menu" />
            </Helmet>
            <div className='p-8 pb-20'>
                <div style={{ lineHeight: 1.5, marginBottom: '16px' }}>
                    Move the mouse over the button to see the dropdown.
                </div>
                <BrowserFrame
html={`
<div class="dropdown">
    <!-- The trigger element -->
    <button>...</button>

    <!-- The content -->
    <div class="dropdown__content">
        ...
    </div>
</div>
`}
css={`
.dropdown {
    position: relative;   
}

/* Hide the dropdown's content by default */
.dropdown__content {
    display: none;

    /* Position it right below the trigger element */
    left: 0;
    paddingTop: 4px;
    position: absolute;
    top: 100%;

    /* It should be on the top of other elements */
    background-color: #FFF;
    zIndex: 9999;

    /* Size */
    height: 200px;
    width: 200px;
}

/* Show the content when hover on the container */
.dropdown:hover .dropdown__content {
    display: block;
}
`}
                >
                    <div
                        style={{
                            alignItems: 'center',
                            display: 'flex',
                            flexDirection: 'column',
                            height: '100%',
                            justifyContent: 'center',
                            padding: '8px',
                        }}
                    >
                        <div
                            className="p-dropdown"
                            style={{
                                position: 'relative',
                            }}
                        >
                            <button
                                style={{
                                    alignItems: 'center',
                                    border: '1px solid rgba(0, 0, 0, 0.3)',
                                    borderRadius: '4px',
                                    display: 'flex',
                                    height: '32px',
                                    width: '128px',
                                }}
                            >
                                <span style={{ flex: 1, marginRight: '8px' }}><Rectangle /></span>
                                <Triangle size={8} corner='b' />
                            </button>

                            <div
                                className="p-dropdown-content"
                                style={{
                                    backgroundColor: '#FFF',
                                    height: '200px',
                                    left: 0,
                                    paddingTop: '4px',
                                    position: 'absolute',
                                    top: '100%',
                                    width: '200px',
                                    zIndex: 9999,
                                }}
                            >
                                <div
                                    style={{
                                        alignItems: 'center',
                                        border: '1px solid rgba(0, 0, 0, 0.3)',
                                        borderRadius: '4px',
                                        display: 'flex',
                                        height: '100%',
                                        justifyContent: 'center',
                                        padding: '16px',
                                        width: '100%',
                                    }}
                                >
                                    <Block numberOfBlocks={10} justify='center' />
                                </div>
                            </div>
                        </div>
                        <div
                            style={{
                                marginTop: '16px',
                                width: '256px',
                            }}
                        >
                            <Block numberOfBlocks={20} justify='center' />
                        </div>
                    </div>
                </BrowserFrame>
            </div>
            <RelatedPatterns patterns={[Pattern.MegaMenu, Pattern.Menu, Pattern.NestedDropdowns]} />
        </DetailsLayout>
    );
};

export default Details;