.login_logo {
  width: 80px;
}

.side_bar_logo {
  width: 80px;
}

@media screen and (max-width: 1300px) {
  .main_img {
    width: 40%;
  }
}


@media screen and (max-width: 1150px) {
  .main_img {
    width: 50%;
  }
}

@media screen and (max-width: 1000px) {
  .main_img {
    width: 60%;
  }
}

@media screen and (max-width: 850px) {
  .side_bar_logo {
    width: 50px;
  }
  .main_img {
    width: 70%;
  }

}