nav.top {
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-top: 1px solid #948f8c;
  border-bottom: 1px solid #948f8c;
  top: 116px;
  position: fixed;
  width: 100%;
  background: #fff;
  z-index: 99;
}
/* 
nav.top {
    margin-bottom: 0px!important;
    padding-bottom: 8px!important;
    border-top: 1px solid #948F8C;
    border-bottom: 1px solid #948F8C;
}
*/
nav.inv {
    margin-top:0px!important;
}

section.lback {
    background-position: right bottom; 
    background-repeat: no-repeat; 
    background-size: cover;
    min-height:720px;
}