@media (max-width: 980px){
  section.abt-lakeharmony .abt-img {
    float: none;
    width: 100%;
    margin-left: 0;
    margin-bottom: 30px;
    z-index: 1;
    position: relative;
}
  section.abt-lakeharmony img{
   width:100% !important; 
  }
}
@media (max-width: 540px){
  section.abt-lakeharmony img{
   width:100% !important; 
  }
}