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Have a Field Day with HTML5 Forms

Forms are usually seen as that obnoxious thing we have to markup and style. I respectfully disagree: forms (on a par with tables) are the most exciting thing we have to work with.

Here we’re going to take a look at how to style a beautiful HTML5 form using some advanced CSS and latest CSS3 techniques. I promise you will want to style your own forms after you’ve read this article.

Here’s what we’ll be creating:

The finished form The form. (Icons from Chalkwork Payments)

Meaningful markup

We’re going to style a simple payment form. There are three main sections on this form:

  • The person’s details
  • The address details
  • The credit card details

We are also going to use some of HTML5’s new input types and attributes to create more meaningful fields and use less unnecessary classes and ids:

  • email, for the email field
  • tel, for the telephone field
  • number, for the credit card number and security code
  • required, for required fields
  • placeholder, for the hints within some of the fields
  • autofocus, to put focus on the first input field when the page loads

There are a million more new input types and form attributes on HTML5, and you should definitely take a look at what’s new on the W3C website. Hopefully this will give you a good idea of how much more fun form markup can be.

A good foundation

Each section of the form will be contained within its own fieldset. In the case of the radio buttons for choosing the card type, we will enclose those options in another nested fieldset.

We will also be using an ordered list to group each label / input pair. This will provide us with a (kind of) semantic styling hook and it will also make the form easier to read when viewing with no CSS applied:

The unstyled form The unstyled form

So here’s the markup we are going to be working with:

<form id=payment>
	<fieldset>
		<legend>Your details</legend>
		<ol>
			<li>
				<label for=name>Name</label>
				<input id=name name=name type=text placeholder="First and last name" required autofocus>
			</li>
			<li>
				<label for=email>Email</label>
				<input id=email name=email type=email placeholder="example@domain.com" required>
			</li>
			<li>
				<label for=phone>Phone</label>
				<input id=phone name=phone type=tel placeholder="Eg. +447500000000" required>
			</li>
		</ol>
	</fieldset>
	<fieldset>
		<legend>Delivery address</legend>
		<ol>
			<li>
				<label for=address>Address</label>
				<textarea id=address name=address rows=5 required></textarea>
			</li>
			<li>
				<label for=postcode>Post code</label>
				<input id=postcode name=postcode type=text required>
			</li>
			<li>
				<label for=country>Country</label>
				<input id=country name=country type=text required>
			</li>
		</ol>
	</fieldset>
	<fieldset>
		<legend>Card details</legend>
		<ol>		
			<li>
				<fieldset>
					<legend>Card type</legend>
					<ol>
						<li>
							<input id=visa name=cardtype type=radio>
							<label for=visa>VISA</label>
						</li>
						<li>
							<input id=amex name=cardtype type=radio>
							<label for=amex>AmEx</label>
						</li>
						<li>
							<input id=mastercard name=cardtype type=radio>
							<label for=mastercard>Mastercard</label>
						</li>
					</ol>
				</fieldset>
			</li>
			<li>
				<label for=cardnumber>Card number</label>
				<input id=cardnumber name=cardnumber type=number required>
			</li>
			<li>
				<label for=secure>Security code</label>
				<input id=secure name=secure type=number required>
			</li>
			<li>
				<label for=namecard>Name on card</label>
				<input id=namecard name=namecard type=text placeholder="Exact name as on the card" required>
			</li>
		</ol>
	</fieldset>
	<fieldset>
		<button type=submit>Buy it!</button>
	</fieldset>
</form>

Making things look nice

First things first, so let’s start by adding some defaults to our form by resetting the margins and paddings of the elements and adding a default font to the page:

html, body, h1, form, fieldset, legend, ol, li {
	margin: 0;
	padding: 0;
}
body {
	background: #ffffff;
	color: #111111;
	font-family: Georgia, "Times New Roman", Times, serif;
	padding: 20px;
}

Next we are going to style the form element that is wrapping our fields:

form#payment {
	background: #9cbc2c;
	-moz-border-radius: 5px;
	-webkit-border-radius: 5px;
	border-radius: 5px;
	padding: 20px;
	width: 400px;
}

We will also remove the border from the fieldset and apply some bottom margin to it. Using the :last-of-type pseudo-class, we remove the bottom margin of the last fieldset — there is no need for it:

form#payment fieldset {
	border: none;
	margin-bottom: 10px;
}
form#payment fieldset:last-of-type {
	margin-bottom: 0;
}

Next we’ll make the legends big and bold, and we will also apply a light-green text-shadow, to add that little extra special detail:

form#payment legend {
	color: #384313;
	font-size: 16px;
	font-weight: bold;
	padding-bottom: 10px;
	text-shadow: 0 1px 1px #c0d576;
}

Our legends are looking great, but how about adding a clear indication of how many steps our form has? Instead of adding that manually to every legend, we can use automatically generated counters.

To add a counter to an element, we have to use either the :before or :after pseudo-elements to add content via CSS. We will follow these steps:

  • create a counter using the counter-reset property on the form element
  • call the counter with the content property (using the same name we’ve created before)
  • with the counter-incremet property, indicate that for each element that matches our selector, that counter will be increased by 1
form#payment > fieldset > legend:before {
	content: "Step " counter(fieldsets) ": ";
	counter-increment: fieldsets;
}

Finally, we need to change the style of the legend that is part of the radio buttons group, to make it look like a label:

form#payment fieldset fieldset legend {
	color: #111111;
	font-size: 13px;
	font-weight: normal;
	padding-bottom: 0;
}

Styling the lists

For our list elements, we’ll just add some nice rounded corners and semi-transparent border and background. Because we are using RGBa colors, we should provide a fallback for browsers that don’t support them (that comes before the RBGa color). For the nested lists, we will remove these properties because they would be overlapping:

form#payment ol li {
	background: #b9cf6a;
	background: rgba(255,255,255,.3);
	border-color: #e3ebc3;
	border-color: rgba(255,255,255,.6);
	border-style: solid;
	border-width: 2px;
	-moz-border-radius: 5px;
	-webkit-border-radius: 5px;
	border-radius: 5px;
	line-height: 30px;
	list-style: none;
	padding: 5px 10px;
	margin-bottom: 2px;
}
form#payment ol ol li {
	background: none;
	border: none;
	float: left;
}

Form controls

Now we only need to style our labels, inputs and the button element.

All our labels will look the same, with the exception of the one for the radio elements. We will float them to the left and give them a width.

For the credit card type labels, we will add an icon as the background, and override some of the properties that aren’t necessary. We will be using the attribute selector to specify the background image for each label — in this case, we use the for attribute of each label.

To add an extra user-friendly detail, we’ll add a cursor: pointer to the radio button labels on the :hover state, so the user knows that he can simply click them to select that option.

form#payment label {
	float: left;
	font-size: 13px;
	width: 110px;
}
form#payment fieldset fieldset label {
	background:none no-repeat left 50%;
	line-height: 20px;
	padding: 0 0 0 30px;
	width: auto;
}
form#payment label[for=visa] {
	background-image: url(visa.gif);
}
form#payment label[for=amex] {
	background-image: url(amex.gif);
}
form#payment label[for=mastercard] {
	background-image: url(mastercard.gif);
}
form#payment fieldset fieldset label:hover {
	cursor: pointer;
}

Almost there! Now onto the input elements. Here we want to match all inputs, except for the radio ones, and the textarea. For that we will use the negation pseudo-class (:not()). With it we can target all input elements except for the ones with type of radio.

We will also make sure to add some :focus styles and add the appropriate styling for the radio inputs:

form#payment input:not([type=radio]),
form#payment textarea {
	background: #ffffff;
	border: none;
	-moz-border-radius: 3px;
	-webkit-border-radius: 3px;
	-khtml-border-radius: 3px;
	border-radius: 3px;
	font: italic 13px Georgia, "Times New Roman", Times, serif;
	outline: none;
	padding: 5px;
	width: 200px;
}
form#payment input:not([type=submit]):focus,
form#payment textarea:focus {
	background: #eaeaea;
}
form#payment input[type=radio] {
	float: left;
	margin-right: 5px;
}

And finally we come to our submit button. To it, we will just add some nice typography and text-shadow, align it to the center of the form and give it some background colors for its different states:

form#payment button {
	background: #384313;
	border: none;
	-moz-border-radius: 20px;
	-webkit-border-radius: 20px;
	-khtml-border-radius: 20px;
	border-radius: 20px;
	color: #ffffff;
	display: block;
	font: 18px Georgia, "Times New Roman", Times, serif;
	letter-spacing: 1px;
	margin: auto;
	padding: 7px 25px;
	text-shadow: 0 1px 1px #000000;
	text-transform: uppercase;
}
form#payment button:hover {
	background: #1e2506;
	cursor: pointer;
}

And that’s it! See the completed form.

This form will not look the same on every browser. Internet Explorer and Opera don’t support border-radius (at least not for now); the new input types are rendered as just normal inputs on some browsers; and some of the most advanced CSS, like the counter, :last-of-type or text-shadow are not supported on some browsers. But that doesn’t mean you can’t use them right now, and simplify your development process. My gift to you!

About the author

Inayaili de León Persson (or just Yaili) is a web designer and author. She’s Lead Web Designer at Canonical, the company that delivers Ubuntu. She’s Panamanian Portuguese, born in the USSR, and has been living in London since 2008 — her favourite city in the world. She loves cats and naps.

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