header {
  background: url('https://www.matthewb.id.au/b/images/Business_Header.jpg') center
    center no-repeat;
  height: 250px;
  margin-bottom: -30px;  
}

.navbar-default {
  background-color: cyan;
  border: none;
}

html body {
  background: #BBDEFB;   
}

table {
  background: lightyellow;
}

.lead {
  background: lightyellow;
}

.nav-pills .nav-item{
  background-color: #BDBDBD;
}