#matirial_business_h1{
  padding: 0;
  background: #9BBEC8;
  line-height: 35px;
  font-size: 1.2em;
  color: #ffffff;
  width:100%;
}
.visually_hidden{
  position:absolute!important; width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap; border:0;
}
nav.contents {
    display: block;
    text-align: center;
    font-size: 1.2em;
    font-weight: bold;
}