.blgBodyAquaticEco { 
  float: right; 
  margin-top: -30%;
  height: 443px;
  width:636px;
}


@media screen and (max-width:1024px)  {
  .blgBodyAquaticEco { 
     width: 450px;
     height: auto;
  } 
}


@media screen and (max-width:780px)  {

  .blgBodyAquaticEco { 
     display: block;
     float: none;
     margin-top: auto;
     } 
}