Base
This is the most basic form with all the basic inputs.
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Email</label>
        <input type="email" name="email" class="w50">
    </div>
    <div class="form-item">
        <label>Country</label>
        <select>
            <option value="">---</option>
        </select>
    </div>
    <div class="form-item">
        <label class="checkbox"><input type="checkbox"> Check me</label>
        <label class="checkbox"><input type="radio"> Radio me</label>
    </div>
    <div class="form-item">
        <textarea rows="6"></textarea>
    </div>
    <div class="form-item">
        <button>Log in</button>
        <button class="button secondary outline">Cancel</button>
    </div>
</form>
Inputs
Here's a standard input field with type set as text. Label serves as input's label, and the following div with class desc serves as an optional description.
<form class="form">
    <div class="form-item">
        <label>City</label>
        <input type="text">
        <div class="desc">...</div>
    </div>
</form>
Here are two text input fields, one with a placeholder and another one disabled, both set to be 6 grid columns wide.
<form class="form">
    <div class="row gutters">
        <div class="col col-6">
            <div class="form-item">
                <input type="text" placeholder="Email">
            </div>
        </div>
        <div class="col col-6">
            <div class="form-item">
                <input type="text" disabled="true" value="Disabled">
            </div>
        </div>
    </div>
</form>
Here's how you denote required fields with req class, and add descriptions to labels using span with class desc.
<form class="form">
    <div class="row gutters">
        <div class="col col-6">
            <div class="form-item">
                <label>City <span class="req">*</span></label>
                <input type="text">
            </div>
        </div>
        <div class="col col-6">
            <div class="form-item">
                <label>City <span class="desc">...</span></label>
                <input type="text">
                <div class="desc">...</div>
            </div>
        </div>
    </div>
</form>
Search
<form class="form">
    <div class="form-item">
        <input type="text" class="search">
    </div>
</form>
Checkboxes & Radio
Kube features full variety of stylish checkboxes and radio buttons. You can feature them on your pages by defining input type as checkbox or radio. There's also a neat option to place checkboxes inline by adding form-checkboxes class to the container (works for both checkboxes and radio buttons)
<form method="post" action="" class="form">
    <div class="form-item form-checkboxes">
        <label class="checkbox"><input type="checkbox"> Check 1</label>
        ...
    </div>
</form>
<form method="post" action="" class="form">
    <div class="form-item">
        <label class="checkbox"><input type="checkbox"> Check 1</label>
        ...
    </div>
</form>
<form method="post" action="" class="form">
    <div class="form-item form-checkboxes">
        <label class="checkbox"><input type="radio"> Check 1</label>
        ...
    </div>
</form>
<form method="post" action="" class="form">
    <div class="form-item">
        <label class="checkbox"><input type="radio"> Check 1</label>
        ...
    </div>
</form>
Fieldset
Fieldsets in Kube are nicely pre-formatted and ready to go. Just wrap your form in a fieldset tag and you're good to go.
<fieldset>
    <legend>About</legend>
    <div class="form-item">
        <textarea name="user-about" rows="5"></textarea>
    </div>
    <div class="form-item">
        <button>Submit</button>
    </div>
</fieldset>
Small
Simple class .small makes your selects and fields, well, smaller.
<form class="form">
    <div class="form-item">
        <input type="text" class="small" placeholder="Title">
    </div>
    <div class="form-item">
        <select class="small">
            <option>...</option>
        </select>
    </div>
</form>
Big
Simple class .big makes your selects and fields, well, bigger.
<form class="form">
    <div class="form-item">
        <input type="text" class="big" placeholder="Title">
    </div>
    <div class="form-item">
        <select class="big">
            <option>...</option>
        </select>
    </div>
</form>
Width
Following framework-wide rules, it is very easy to manipulate form fields sizes. Just use w50 class to make a field 50% wide or w25 to a 25% wide.
<form method="post" action="" class="form">
    <div class="form-item">
        <input type="text" class="w25">
    </div>
    <div class="form-item">
        <input type="text" class="w50">
    </div>
    <div class="form-item">
        <input type="text" class="w75">
    </div>
    <div class="form-item">
        <input type="text" value="100% by default">
    </div>
</form>
States
By default, Kube features two different states: success and failure.
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Your height <span class="success">...</span></label>
        <input type="text" class="success">
    </div>
</form>
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Enter your weight <span class="error">...</span></label>
        <input type="text" class="error">
    </div>
</form>
Required
Along with making a field actually required, you can add a visual clue for the users using a span with req class.
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Email <span class="req">*</span></label>
        <input type="email" name="user-email">
    </div>
</form>
Descriptions
Descriptions are simple: as long as form's element has desc class, Kube will treat it as a description.
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Name <span class="desc">...</span></label>
        <input type="text" name="user-name">
    </div>
    <div class="form-item">
        <label>Email</label>
        <input type="email" name="user-email">
        <div class="desc">...</div>
    </div>
</form>
Disabled
Not only text inputs can be disabled, but checkboxes and radio buttons as well. Just add disabled attribute or .disabled class to the input.
<input type="text" value="" disabled>
<input type="checkbox" class="disabled">
<input type="radio" disabled>
<textarea disabled></textarea>
<select disabled>
    <option>...</option>
</select>
Append & Prepend
You can prepend or append certain elements within your input fields, such as currency characters.
<form method="post" action="" class="form">
    <div class="form-item">
        <label>How much is it?</label>
        <div class="prepend w50">
            <span>$</span>
            <input type="text">
        </div>
    </div>
</form>
<form method="post" action="" class="form">
    <div class="form-item">
        <label>It is much how?</label>
        <div class="append">
            <input type="text"><span>$</span>
        </div>
    </div>
</form>
Button Append
Appending works for buttons as well. Here you can see a button that has been appended and included withing a text input field.
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Label</label>
        <div class="append w50">
            <input type="text" name="search" placeholder="Search">
            <button class="button outline">Go</button>
        </div>
    </div>
</form>
More Examples
The examples below are quite self explanatory and they cover multiple selections, selecting dates, filling in phone numbers, a ready feedback form template and more. Feel free to use any of these examples as templates for your sites.
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Select multiple</label>
        <select class="w50" multiple="multiple" size="10">
            <optgroup label="Group 1">
                <option value="">...</option>
            </optgroup>
        </select>
    </div>
</form>
<form method="post" action="" class="form">
    <label>Choose date</label>
    <div class="row gutters">
        <div class="col col-3">
            <div class="form-item">
                <select><option>---</option></select>
                <div class="desc">Month</div>
            </div>
        </div>
        <div class="col col-3">
            <div class="form-item">
                <select><option>---</option></select>
                <div class="desc">Day</div>
            </div>
        </div>
        <div class="col col-6">
            <div class="form-item">
                <select><option>---</option></select>
                <div class="desc">Year</div>
            </div>
        </div>
    </div>
</form>
<form method="post" action="" class="form form-inline">
    <div class="form-item">
        <label>Phone number</label>
        ( <input type="text" name="phone-prefix" size="3" class="small"> )
        <input type="text" name="phone-number" class="small w50">
         ext: <input type="text" name="phone-ext" size="3" class="small">
        <div class="desc">...</div>
    </div>
</form>
<form method="post" class="form">
    <div class="row gutters">
        <div class="col col-6">
            <div class="form-item">
                <label>Email</label>
                <input type="email">
            </div>
        </div>
        <div class="col col-6">
            <div class="form-item">
                <label>Topic</label>
                <select>
                    <option value="">...</option>
                </select>
            </div>
        </div>
    </div>
    <div class="form-item">
        <label>Message</label>
        <textarea rows="6"></textarea>
    </div>
</form>
<form method="post" action="" class="form">
    <div class="row gutters">
        <div class="col col-6">
            <div class="form-item">
                <label>Country</label>
                <select>
                    <option>---</option>
                </select>
                <div class="desc">...</div>
            </div>
        </div>
        <div class="col col-6">
            <div class="form-item">
                <label><br></label>
                <button>Submit</button>
            </div>
        </div>
    </div>
</form>
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Text</label>
        <textarea rows="4"></textarea>
    </div>
</form>
<form method="post" action="" class="form">
    <div class="form-item">
        <label>Text</label>
        <textarea rows="4" class="w50"></textarea>
    </div>
</form>