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CSS

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HTML

              
                <!DOCTYPE html>
<html lang="ja">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
	</head>
	<body>
		<a href="#" class="inline-block bg-red-200 hover:bg-red-400 py-2 px-6 rounded-full shadow-md">
			ボタン1
		</a>
		<a href="#" class="inline-block bg-green-200 hover:bg-green-400 py-2 px-6 rounded-full shadow-md">
			ボタン2
		</a>
		<a href="#" class="inline-block bg-blue-200 hover:bg-blue-400 py-2 px-6 rounded-full shadow-md">
			ボタン3
		</a>
		<a href="#" class="inline-block bg-yellow-200 hover:bg-yellow-400 py-2 px-6 rounded-full shadow-md">
			ボタン4
		</a>
	</body>
</html>

              
            
!

CSS

              
                /*! tailwindcss v2.1.1 | MIT License | https://tailwindcss.com */

/*! modern-normalize v1.0.0 | MIT License | https://github.com/sindresorhus/modern-normalize */

/*
Document
========
*/

/**
Use a better box model (opinionated).
*/

*,
*::before,
*::after {
  box-sizing: border-box;
}

/**
Use a more readable tab size (opinionated).
*/

:root {
  -moz-tab-size: 4;
  -o-tab-size: 4;
     tab-size: 4;
}

/**
1. Correct the line height in all browsers.
2. Prevent adjustments of font size after orientation changes in iOS.
*/

html {
  line-height: 1.15; /* 1 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/*
Sections
========
*/

/**
Remove the margin in all browsers.
*/

body {
  margin: 0;
}

/**
Improve consistency of default fonts in all browsers. (https://github.com/sindresorhus/modern-normalize/issues/3)
*/

body {
  font-family:
		system-ui,
		-apple-system, /* Firefox supports this but not yet `system-ui` */
		'Segoe UI',
		Roboto,
		Helvetica,
		Arial,
		sans-serif,
		'Apple Color Emoji',
		'Segoe UI Emoji';
}

/*
Grouping content
================
*/

/**
1. Add the correct height in Firefox.
2. Correct the inheritance of border color in Firefox. (https://bugzilla.mozilla.org/show_bug.cgi?id=190655)
*/

hr {
  height: 0; /* 1 */
  color: inherit; /* 2 */
}

/*
Text-level semantics
====================
*/

/**
Add the correct text decoration in Chrome, Edge, and Safari.
*/

abbr[title] {
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted;
}

/**
Add the correct font weight in Edge and Safari.
*/

b,
strong {
  font-weight: bolder;
}

/**
1. Improve consistency of default fonts in all browsers. (https://github.com/sindresorhus/modern-normalize/issues/3)
2. Correct the odd 'em' font sizing in all browsers.
*/

code,
kbd,
samp,
pre {
  font-family:
		ui-monospace,
		SFMono-Regular,
		Consolas,
		'Liberation Mono',
		Menlo,
		monospace; /* 1 */
  font-size: 1em; /* 2 */
}

/**
Add the correct font size in all browsers.
*/

small {
  font-size: 80%;
}

/**
Prevent 'sub' and 'sup' elements from affecting the line height in all browsers.
*/

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/*
Tabular data
============
*/

/**
1. Remove text indentation from table contents in Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=999088, https://bugs.webkit.org/show_bug.cgi?id=201297)
2. Correct table border color inheritance in all Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=935729, https://bugs.webkit.org/show_bug.cgi?id=195016)
*/

table {
  text-indent: 0; /* 1 */
  border-color: inherit; /* 2 */
}

/*
Forms
=====
*/

/**
1. Change the font styles in all browsers.
2. Remove the margin in Firefox and Safari.
*/

button,
input,
optgroup,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 1 */
  line-height: 1.15; /* 1 */
  margin: 0; /* 2 */
}

/**
Remove the inheritance of text transform in Edge and Firefox.
1. Remove the inheritance of text transform in Firefox.
*/

button,
select { /* 1 */
  text-transform: none;
}

/**
Correct the inability to style clickable types in iOS and Safari.
*/

button {
  -webkit-appearance: button;
}

/**
Remove the inner border and padding in Firefox.
*/

/**
Restore the focus styles unset by the previous rule.
*/

/**
Remove the additional ':invalid' styles in Firefox.
See: https://github.com/mozilla/gecko-dev/blob/2f9eacd9d3d995c937b4251a5557d95d494c9be1/layout/style/res/forms.css#L728-L737
*/

/**
Remove the padding so developers are not caught out when they zero out 'fieldset' elements in all browsers.
*/

legend {
  padding: 0;
}

/**
Add the correct vertical alignment in Chrome and Firefox.
*/

progress {
  vertical-align: baseline;
}

/**
Correct the cursor style of increment and decrement buttons in Safari.
*/

/**
1. Correct the odd appearance in Chrome and Safari.
2. Correct the outline style in Safari.
*/

/**
Remove the inner padding in Chrome and Safari on macOS.
*/

/**
1. Correct the inability to style clickable types in iOS and Safari.
2. Change font properties to 'inherit' in Safari.
*/

/*
Interactive
===========
*/

/*
Add the correct display in Chrome and Safari.
*/

summary {
  display: list-item;
}

/**
 * Manually forked from SUIT CSS Base: https://github.com/suitcss/base
 * A thin layer on top of normalize.css that provides a starting point more
 * suitable for web applications.
 */

/**
 * Removes the default spacing and border for appropriate elements.
 */

blockquote,
dl,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
figure,
p,
pre {
  margin: 0;
}

button {
  background-color: transparent;
  background-image: none;
}

/**
 * Work around a Firefox/IE bug where the transparent `button` background
 * results in a loss of the default `button` focus styles.
 */

button:focus {
  outline: 1px dotted;
  outline: 5px auto -webkit-focus-ring-color;
}

fieldset {
  margin: 0;
  padding: 0;
}

ol,
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/**
 * Tailwind custom reset styles
 */

/**
 * 1. Use the user's configured `sans` font-family (with Tailwind's default
 *    sans-serif font stack as a fallback) as a sane default.
 * 2. Use Tailwind's default "normal" line-height so the user isn't forced
 *    to override it to ensure consistency even when using the default theme.
 */

html {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; /* 1 */
  line-height: 1.5; /* 2 */
}

/**
 * Inherit font-family and line-height from `html` so users can set them as
 * a class directly on the `html` element.
 */

body {
  font-family: inherit;
  line-height: inherit;
}

/**
 * 1. Prevent padding and border from affecting element width.
 *
 *    We used to set this in the html element and inherit from
 *    the parent element for everything else. This caused issues
 *    in shadow-dom-enhanced elements like <details> where the content
 *    is wrapped by a div with box-sizing set to `content-box`.
 *
 *    https://github.com/mozdevs/cssremedy/issues/4
 *
 *
 * 2. Allow adding a border to an element by just adding a border-width.
 *
 *    By default, the way the browser specifies that an element should have no
 *    border is by setting it's border-style to `none` in the user-agent
 *    stylesheet.
 *
 *    In order to easily add borders to elements by just setting the `border-width`
 *    property, we change the default border-style for all elements to `solid`, and
 *    use border-width to hide them instead. This way our `border` utilities only
 *    need to set the `border-width` property instead of the entire `border`
 *    shorthand, making our border utilities much more straightforward to compose.
 *
 *    https://github.com/tailwindcss/tailwindcss/pull/116
 */

*,
::before,
::after {
  box-sizing: border-box; /* 1 */
  border-width: 0; /* 2 */
  border-style: solid; /* 2 */
  border-color: #e5e7eb; /* 2 */
}

/*
 * Ensure horizontal rules are visible by default
 */

hr {
  border-top-width: 1px;
}

/**
 * Undo the `border-style: none` reset that Normalize applies to images so that
 * our `border-{width}` utilities have the expected effect.
 *
 * The Normalize reset is unnecessary for us since we default the border-width
 * to 0 on all elements.
 *
 * https://github.com/tailwindcss/tailwindcss/issues/362
 */

img {
  border-style: solid;
}

textarea {
  resize: vertical;
}

input::-moz-placeholder, textarea::-moz-placeholder {
  opacity: 1;
  color: #9ca3af;
}

input:-ms-input-placeholder, textarea:-ms-input-placeholder {
  opacity: 1;
  color: #9ca3af;
}

input::placeholder,
textarea::placeholder {
  opacity: 1;
  color: #9ca3af;
}

button {
  cursor: pointer;
}

table {
  border-collapse: collapse;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: inherit;
}

/**
 * Reset links to optimize for opt-in styling instead of
 * opt-out.
 */

a {
  color: inherit;
  text-decoration: inherit;
}

/**
 * Reset form element properties that are easy to forget to
 * style explicitly so you don't inadvertently introduce
 * styles that deviate from your design system. These styles
 * supplement a partial reset that is already applied by
 * normalize.css.
 */

button,
input,
optgroup,
select,
textarea {
  padding: 0;
  line-height: inherit;
  color: inherit;
}

/**
 * Use the configured 'mono' font family for elements that
 * are expected to be rendered with a monospace font, falling
 * back to the system monospace stack if there is no configured
 * 'mono' font family.
 */

pre,
code,
kbd,
samp {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/**
 * Make replaced elements `display: block` by default as that's
 * the behavior you want almost all of the time. Inspired by
 * CSS Remedy, with `svg` added as well.
 *
 * https://github.com/mozdevs/cssremedy/issues/14
 */

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  vertical-align: middle;
}

/**
 * Constrain images and videos to the parent width and preserve
 * their intrinsic aspect ratio.
 *
 * https://github.com/mozdevs/cssremedy/issues/14
 */

img,
video {
  max-width: 100%;
  height: auto;
}

.bg-red-200 {
  --tw-bg-opacity: 1;
  background-color: rgba(254, 202, 202, var(--tw-bg-opacity));
}

.bg-yellow-200 {
  --tw-bg-opacity: 1;
  background-color: rgba(253, 230, 138, var(--tw-bg-opacity));
}

.bg-green-200 {
  --tw-bg-opacity: 1;
  background-color: rgba(167, 243, 208, var(--tw-bg-opacity));
}

.bg-blue-200 {
  --tw-bg-opacity: 1;
  background-color: rgba(191, 219, 254, var(--tw-bg-opacity));
}

.hover\:bg-red-400:hover {
  --tw-bg-opacity: 1;
  background-color: rgba(248, 113, 113, var(--tw-bg-opacity));
}

.hover\:bg-yellow-400:hover {
  --tw-bg-opacity: 1;
  background-color: rgba(251, 191, 36, var(--tw-bg-opacity));
}

.hover\:bg-green-400:hover {
  --tw-bg-opacity: 1;
  background-color: rgba(52, 211, 153, var(--tw-bg-opacity));
}

.hover\:bg-blue-400:hover {
  --tw-bg-opacity: 1;
  background-color: rgba(96, 165, 250, var(--tw-bg-opacity));
}

.rounded-full {
  border-radius: 9999px;
}

.inline-block {
  display: inline-block;
}

.table {
  display: table;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

* {
  --tw-shadow: 0 0 #0000;
}

.shadow-md {
  --tw-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

* {
  --tw-ring-inset: var(--tw-empty,/*!*/ /*!*/);
  --tw-ring-offset-width: 0px;
  --tw-ring-offset-color: #fff;
  --tw-ring-color: rgba(59, 130, 246, 0.5);
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 #0000;
}

@-webkit-keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@-webkit-keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

@-webkit-keyframes pulse {
  50% {
    opacity: .5;
  }
}

@keyframes pulse {
  50% {
    opacity: .5;
  }
}

@-webkit-keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    -webkit-animation-timing-function: cubic-bezier(0.8,0,1,1);
            animation-timing-function: cubic-bezier(0.8,0,1,1);
  }

  50% {
    transform: none;
    -webkit-animation-timing-function: cubic-bezier(0,0,0.2,1);
            animation-timing-function: cubic-bezier(0,0,0.2,1);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    -webkit-animation-timing-function: cubic-bezier(0.8,0,1,1);
            animation-timing-function: cubic-bezier(0.8,0,1,1);
  }

  50% {
    transform: none;
    -webkit-animation-timing-function: cubic-bezier(0,0,0.2,1);
            animation-timing-function: cubic-bezier(0,0,0.2,1);
  }
}

@media (min-width: 640px) {
}

@media (min-width: 768px) {
}

@media (min-width: 1024px) {
}

@media (min-width: 1280px) {
}

@media (min-width: 1536px) {
}
              
            
!

JS

              
                
              
            
!
999px

Console