Float on left Margin when Clear?

<?xml version="1.0" encoding="UTF-8"?>
<html>
<head>
<title> park City Gazette Subscription</title>
<style type="text/css">
<!--
#subPlans {
background-color:white;
padding:5px;
margin-right:auto;
margin-left:auto;
text-align:center;
}
#subPlans label {margin-right:15px;}

/* Statements I think are causing the problem */
.floatLabel {
display:block;
float:left;
width:150px;
margin-bottom:10px;
text-align:right;
}
/*end problem statements?*/