body {
     margin: 0;
     line-height: 1.4;
     background-color: white;
}
.background-section {
	width: 81.5%;
	margin-left: auto;
	margin-top: 90px;
  padding-bottom: 20px;
	margin-right: auto;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
}