#auth_box {
  min-width: 380px;
  font-size: 12px;
}

#auth_box .nav-tabs .nav-link {
  padding: 10px;
}

#middle_part h2.title {
  display: none;
}

#middle_part .page-title {
  text-align: center;
}

#auth_box input[type="text"], #auth_box input[type="password"] {
  width: 100% !important;
}

#top_part #the_logo img {
  display: inline-block;
}

@media (max-width: 380px){
  #auth_box {
    min-width: 100% !important;
  }
  #auth_box #middle_part {
    margin: 10px;
  }
  #auth_box #bottom_part {
    margin: 10px;
  }
}