@media all and (max-width: 400px) {

  .overview-img img {
    width: 100%;
    height: auto;
  }

  .container {
    display: block;
  }

  .overview-exp {
    padding: 0 10px 0 10px;
    font-size: 18px;
  }

  .img-exp {
    width: 100%;
    height: auto;
    /* margin: auto; */
    margin: 25px 0 0 0;
    /* padding: 0; */
    font-size: 18px;
    border: 1px solid black;
    border-radius: 10px;
    box-sizing:border-box
  }

  .slides {
    list-style-type: none;
    width: 100%;
    height: auto;
    box-sizing:border-box;
    padding: 0 10px 0 10px;
  }
  
  .slide img {
    width: 100%;
  }

  .site-name {
    display: block;
  }

  .login {
    padding-right: 10px;
  }

  .h-menu {
    padding-left: 10px;
    margin-top: 15px;
  }

  .f-menu {
    padding-left: 5px;
    font-size: 14px;
  }

}

@media all and (max-width: 700px) {
  .overview-img img {
    width: 90%;
    padding: 0 0 0 30px;
    height: auto;
  }

  .container {
    display: block;
  }

  .overview-exp {
    padding: 0 10px 0 10px;
    font-size: 18px;
  }
}