KNACSS/sass/_forms.scss

/* ----------------------------- */
/* ==forms                       */
/* ----------------------------- */

/**
 * Thanks to HTML5boilerplate
 * Source: github.com/nathansmith/formalize and www.sitepen.com 
 */

form,
fieldset {
	border: none;
}

/**
 * 1. Bugfix alignment
 */
input,
button, select,
label, .btn {
	vertical-align: middle; /* 1 */
	font-family: inherit;
}

/**
 * 1. Prevents horizontal resizing
 */
textarea {
	resize: vertical; /* 1 */
	font-family: inherit;
}


/**
 * Buttons 
 */
.btn { 
	@include inline-block();
}

.btn.alternate {}
.btn.highlight {}
.login   	   {}
.logout  	   {}
.primary	   {}
.warning 	   {}
.error  	   {}
.success	   {}

/** 
 * Form elements
 */
label { 
	@include inline-block(middle);
	cursor: pointer;
}

legend {
	border: 0;
	white-space: normal;
}

button,
input,
select {
	font-family: "Century Gothic", helvetica, arial, sans-serif;
	font-size: 100%;
	margin: 0;
	vertical-align: middle;
}

/**
 * 1. Removes default vertical scrollbar on empty textarea in IE6/7/8/9
 * 2. Prevents horizontal resizing
 */
textarea {
	overflow: auto;   /* 1 */
	min-height: 5em;
	font-size: 1.75em;
	vertical-align: top;
	resize: vertical; /* 2 */
}

/**
 * 1. Clickable input types in iOS
 * 2. Corrects inner spacing displayed oddly in IE7
 */
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
	cursor: pointer;
	-webkit-appearance: button; /* 1 */
	*overflow: visible;         /* 2 */
}

/**
 * 1. Corrects excess space around these inputs in IE8/9
 * 2. Corrects excess space around these inputs in IE7
 */
input[type="checkbox"],
input[type="radio"] {
	padding: 0;    /* 1 */
	*width: 13px;  /* 2 */
	*height: 13px; /* 2 */
}

input[type="search"] { 
	-webkit-appearance: textfield;
}

/**
 * Add a slash at the end of this comment
 * if select styling bugs on WebKit *
 select { -webkit-appearance: none; } /**/

/**
 * Removes 'x' on right of search input when text is entered
 */
input[type="search"] {
	&::-webkit-search-decoration,
	&::-webkit-search-cancel-button,
	&::-webkit-search-results-button,
	&::-webkit-search-results-decoration {
		display: none;
	}
}

::-webkit-input-placeholder { color: #777; }

input, textarea {
	&:-moz-placeholder { color: #777; }
}

/**
 * Removes inner padding and border in FF3+ 
 */
button, 
input[type='button'], 
input[type='reset'],
input[type='submit'] {
	&::-moz-focus-inner {
		border: 0;
		padding: 0;
	}
}