.nav-link{
  :hover, &:focus {
    background:darken(#1ab188,5%);
  }
  }
 
 .dropdown-menu.show {
    display: block;
    left:unset;
 }
.navbar-nav ml-auto{
	position:absolute;
}
div.mainImage {

  float: left;
  width: 100%;
  position: relative;

} /*mainimage width*/

div.mainImage img{
  width: 100%;
  height: 30%;
  float: left;
  margin-left: -1px;
}/*mainimg hight*/