rafaelcamargo/index.html

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Customizing checkboxes and radio buttons without hacks</title>
  <style>
    html,
    body {
      margin: 0;
      font-family: Arial, sans-serif;
      background-color: #F1F1F1;
    }

    form {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
    }

    form > div + div {
      margin-top: 40px;
    }

    input[type=checkbox],
    input[type=radio] {
      margin: 5px 6px 5px 0;
      background-color: #FFF;
      border-width: 1px;
      border-style: solid;
      border-color: #C6C6C6;
      box-sizing: border-box;
      box-shadow: 0 0 0 #CDE6FE;
      appearance: none;
      outline: 0;
      transition-property: box-shadow, border-color;
      transition-duration: 200ms;
      transition-timing-function: ease-in-out;
    }

    input[type=checkbox]:focus,
    input[type=checkbox]:active,
    input[type=radio]:focus,
    input[type=radio]:active {
      box-shadow: 0 0 0 4px #CDE6FE;
      border-color: #3A80EC;
    }

    input[type=checkbox]:checked,
    input[type=radio]:checked {
      background-color: #6699FF;
      background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZlcnNpb249IjEuMSIgdmlld0JveD0iMCAwIDEyIDEyIj48cGF0aCBmaWxsPSIjZmZmIiBkPSJNMTEuNiwyLjNsLTYuOCw4LjhjMCwwLS4xLjItLjMuMnMtLjIsMC0uMy0uMVMuNCw3LjQuNCw3LjRoMGMwLS4xLDAtLjIsMC0uMnMwLS4xLDAtLjJjMCwwLDAsMCwwLDAsLjQtLjQsMS4xLTEuMiwxLjItMS4zLDAsMCwuMS0uMS4yLS4xcy4yLjEuMy4yYzAsMCwyLjIsMi4xLDIuMiwyLjFMOS44LjhzLjEsMCwuMiwwLC4xLDAsLjIsMGwxLjUsMS4yczAsLjEsMCwuMmMwLDAsMCwuMSwwLC4yWiIvPjwvc3ZnPgo=');
      background-size: 12px 12px;
      background-position: center center;
      background-repeat: no-repeat;
    }

    input[type=checkbox]:checked:not(:disabled),
    input[type=radio]:checked:not(:disabled) {
      border-color: #6699FF;
    }

    input[type=checkbox]:disabled,
    input[type=radio]:disabled {
      background-color: #C6C6C6;
    }

    input[type=checkbox] {
      width: 22px;
      height: 22px;
      border-radius: 6px;
    }

    input[type=radio] {
      width: 24px;
      height: 24px;
      border-radius: 12px;
    }

    label:has(> input) {
      display: inline-flex;
      align-items: center;
      color: #555;
      font-size: 12px;
      font-weight: bold;
      text-transform: uppercase;
    }

    label:not(:first-child) {
      margin-left: 20px;
    }
  </style>
</head>
<body>
  <form>
    <div>
      <label>
        <input type="checkbox" name="genres"> Rock
      </label>
      <label>
        <input type="checkbox" name="genres"> Jazz
      </label>
      <label>
        <input type="checkbox" name="genres"> Blues
      </label>
    </div>
    <div>
      <label>
        <input type="radio" name="beverage" value="water"> Water
      </label>
      <label>
        <input type="radio" name="beverage" value="coffee"> Coffee
      </label>
      <label>
        <input type="radio" name="beverage" value="tea"> Tea
      </label>
    </div>
  </form>
</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Customizing checkboxes and radio buttons without hacks</title>
	<style>
	html,
	body {
	margin: 0;
	font-family: Arial, sans-serif;
	background-color: #F1F1F1;
	}

	form {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
	}

	form > div + div {
	margin-top: 40px;
	}

	input[type=checkbox],
	input[type=radio] {
	margin: 5px 6px 5px 0;
	background-color: #FFF;
	border-width: 1px;
	border-style: solid;
	border-color: #C6C6C6;
	box-sizing: border-box;
	box-shadow: 0 0 0 #CDE6FE;
	appearance: none;
	outline: 0;
	transition-property: box-shadow, border-color;
	transition-duration: 200ms;
	transition-timing-function: ease-in-out;
	}

	input[type=checkbox]:focus,
	input[type=checkbox]:active,
	input[type=radio]:focus,
	input[type=radio]:active {
	box-shadow: 0 0 0 4px #CDE6FE;
	border-color: #3A80EC;
	}

	input[type=checkbox]:checked,
	input[type=radio]:checked {
	background-color: #6699FF;
	background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZlcnNpb249IjEuMSIgdmlld0JveD0iMCAwIDEyIDEyIj48cGF0aCBmaWxsPSIjZmZmIiBkPSJNMTEuNiwyLjNsLTYuOCw4LjhjMCwwLS4xLjItLjMuMnMtLjIsMC0uMy0uMVMuNCw3LjQuNCw3LjRoMGMwLS4xLDAtLjIsMC0uMnMwLS4xLDAtLjJjMCwwLDAsMCwwLDAsLjQtLjQsMS4xLTEuMiwxLjItMS4zLDAsMCwuMS0uMS4yLS4xcy4yLjEuMy4yYzAsMCwyLjIsMi4xLDIuMiwyLjFMOS44LjhzLjEsMCwuMiwwLC4xLDAsLjIsMGwxLjUsMS4yczAsLjEsMCwuMmMwLDAsMCwuMSwwLC4yWiIvPjwvc3ZnPgo=');
	background-size: 12px 12px;
	background-position: center center;
	background-repeat: no-repeat;
	}

	input[type=checkbox]:checked:not(:disabled),
	input[type=radio]:checked:not(:disabled) {
	border-color: #6699FF;
	}

	input[type=checkbox]:disabled,
	input[type=radio]:disabled {
	background-color: #C6C6C6;
	}

	input[type=checkbox] {
	width: 22px;
	height: 22px;
	border-radius: 6px;
	}

	input[type=radio] {
	width: 24px;
	height: 24px;
	border-radius: 12px;
	}

	label:has(> input) {
	display: inline-flex;
	align-items: center;
	color: #555;
	font-size: 12px;
	font-weight: bold;
	text-transform: uppercase;
	}

	label:not(:first-child) {
	margin-left: 20px;
	}
	</style>
	</head>
	<body>
	<form>
	<div>
	<label>
	<input type="checkbox" name="genres"> Rock
	</label>
	<label>
	<input type="checkbox" name="genres"> Jazz
	</label>
	<label>
	<input type="checkbox" name="genres"> Blues
	</label>
	</div>
	<div>
	<label>
	<input type="radio" name="beverage" value="water"> Water
	</label>
	<label>
	<input type="radio" name="beverage" value="coffee"> Coffee
	</label>
	<label>
	<input type="radio" name="beverage" value="tea"> Tea
	</label>
	</div>
	</form>
	</body>
	</html>