/* Scales all of the fonts on the page  */
html {
	-webkit-text-size-adjust:125%;
	font-family:Helvetica, Arial, sans-serif
}
/* Changes the width of the form to scale depending on rotation */
.form-container {
	width:90%;
}
/* Adjusts the font size to increase the hit area for each input field */
input {
	font-size: 125%;
}
input[type="checkbox"] {
	width: 35px;
	height: 35px;
}
input[type="radio"] {
	width: 35px;
	height: 35px;
}
select {
	font-size: 100%;
	padding: 0 0 0 10px;
}
fieldset {
	-moz-border-radius: 7px;
	-webkit-border-radius: 7px;
	border-radius: 7px;
	margin-bottom:25px;
	background-color:#f4faff;
}
legend {
	font-size:22px;
	color:#2D7AB6;
}

Form CSS for iPad

form

CSS