body{font-family:arial,helvetica,sans-serif;color:#000;background:#fff;margin:0px;padding:0px;border:0;}

#head{width:100%;background:#e7eaef;padding:0px;margin-left: auto;margin-right: auto;overflow:auto;}
#head img{padding:10px;height:46px;}

.logo{margin-left:auto;margin-right:auto;padding:10px;max-width:770px;clear:both;}

#main{margin-left:auto;margin-right:auto;padding:10px;max-width:770px;clear:both;}

.navbar-brand img{height:30px;padding-left:55px;}

.ins{padding:10px;width:96%;clear:both;}
.ins h1{font-size:21px;color:#5366b9;letter-spacing:1px;}
.ins h2{font-size:17px;color:#f76969;}
.ins h3{font-size:14px;color:#5366b9;}
.ins p{line-height:35px;font-size:13px;color:#7b7b7b;letter-spacing:1px;}

.table-unit table {border-collapse: collapse;width: 100%;}
.table-unit th, td {text-align: center;padding: 10px;border: 1px solid #ddd;}
.table-unit th {background-color: #f2f2f2;font-weight: bold;}
.table-unit tr:nth-child(even) {background-color: #f2f2f2;}

.calculator{text-align:center;padding-top:40px;padding-bottom:40px;}

.answer{margin-top:20px;margin-bottom:40px;font-weight:bold;font-size:30px;color:#1266ad;}

.calc-pages{clear:both;overflow:auto;margin-top:10px;margin-bottom:40px;}

.description span{color:#1266ad;font-weight:bold;}

.single-calc{padding:10px;margin:13px;border-radius:4px;border:1px solid #dedede;width:300px;float:left;overflow:auto;}
.single-calc h2{font-size:16px;}
.single-calc p{font-size:15px;}

.formula-box{background:#e1f0fa;padding:10px;margin:13px;border-radius:4px;border:1px solid #dedede;max-width:500px;float:left;overflow:auto;}

.how-to{font-size:30px;background:#e1f0fa;padding:10px;margin:13px;border-radius:4px;border:1px solid #dedede;float:left;overflow:auto;}

h2{clear:both;}
h4{clear:both;}

#end{clear:both;margin-top:100px;padding-top:56px;margin-bottom:30px;font-size:10px;width:98%;text-align:center;}
#end p{padding:10px;}