@media(max-width:768px) {
  .container_24 .grid_18 {
      width: 100% !important;
  } 
  .container_24 .grid_6 {
    width: 100% !important;
      display: flex;
      padding-top: 20px;
  }
  div#about {
    width: 100%;
    background-size: cover;
}
div#contact {
    width: 100%;
    background-size: cover;
}
div#services {
    width: 100%;
    background-size: cover;
}
div#testimonials {
    width: 100%;
    background-size: cover;
}
.container_24 .grid_24 {
    margin-bottom: 23px;
}
  }