* {
    box-sizing: border-box;
}
body {
	background-color:#DDDDDD;
	font-family: "Verdana",sans-serif;
	margin-left:30px;margin-right:30px;
	width:1400px;
	color: #000080;
}
address {font-size:80%;color:grey;}
input[type="text"] {
   width:4em;
   text-align:left;
}
input[type="number"] {
   width:4em;
   text-align:right;
}
.btn {
  border-radius: 12px;
  font-size: 80%;
  color: #ffffff;
  background: #3498db;
  padding: 6px 8px 6px 8px;
  border: solid #1f628d 2px;
  text-decoration: none;
}
.btn:hover {
  background: #3cb0fd;
  text-decoration: none;
}
.red {
    color: #DD0000;
}
.green {
    color: #007800;
}
.help {
    font-size: 70%;
    color: #808080;
}
.column {
    float: left;
    width: 335px;
    margin-top: 17.5px;
    margin-right: 15px;
}
.row:after {
    content: "";
    display: table;
    clear: both;
}