body {
  margin: 0px 0px 0px 0px;
}

div#form-container {
  margin-left:auto;
  margin-right:auto;
}

@media screen and (max-width: 492px) {
  div#form-container {
    width: 320px;
  }
}


@media screen and (max-width: 800px) and (min-width: 492px) {
  div#form-container {
    width: 75%;
  }
}

@media screen and (min-width: 800px) {
  div#form-container {
    width: 600px;
  }
}
body {
  margin: 0px 0px 0px 0px;
}

div#form-container {
  margin-left:auto;
  margin-right:auto;
}

@media screen and (max-width: 492px) {
  div#form-container {
    width: 369px;
  }
}


@media screen and (max-width: 800px) and (min-width: 492px) {
  div#form-container {
    width: 75%;
  }
}

@media screen and (min-width: 800px) {
  div#form-container {
    width: 600px;
  }
}
Fix jump in form container width
Fix jump in form container width
