div.left {
  visibility: hidden;
  position: relative;
}
div.right {
  visibility: hidden;
  position: relative;
}

div.container::after {
  visibility: visible;
  position: absolute;
  content: "User not found";
  text-align: center;
  top: 87;
  font-size: 35px;
  font-weight: 500;
  font-family: Arial, sans-serif;
}

h1.welcomeback.feedlink {
  visibility: hidden;
  position: relative;
}

div#smsg {
  visibility: hidden;
}