body { 
    background:  url("../images/background.jpg") no-repeat fixed center;
    background-size: 100% 100%;
}

h1 {
	text-align: center;
}

td {
    padding: 2px;
    text-align: right;
}

input[type=checkbox], input[type=radio] {
    margin: 4px;
    line-height: normal;
    margin-right: 10px;
    width: 18px; 
    height: 18px;
}

.td-center {
	text-align: center;
}

.jumbotron {
	opacity: 0.9;
}

.jumbotron p, li{
	margin-bottom: 0px;
	font-size: medium;
}