Reply To: Submit Button Size Issue

Ok, I see what it is. Take a look around line 401 in your style.css and remove the width: 100%; from this –

/* Forms
--------------------------------------------- */

input,
select,
textarea {
	box-shadow: 0 1px 3px #eee;
	-moz-box-shadow: 0 1px 3px #eee;
	-webkit-box-shadow: 0 1px 3px #eee;
	background: #fff;
	border: 1px solid #ddd;
	border-radius: 3px;
	color: #999;
	font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
	font-size: 16px;
	font-size: 1rem;
	padding: 12px;
	padding: 0.75rem;
	width: 100%;
}