html,
body {
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background: #212121;
  color: white;
  font-family: "Cuprum", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login_tab {
  background-color: rgba(44, 44, 44, 0.9);
  padding: 30px 20px;
  border-radius: 10px;
  text-align: center;
  width: 100%;
  max-width: 700px;
  box-shadow: 0 0 40px rgba(66, 115, 151, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.04);
  animation: tabFadeIn 0.8s ease-out;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.LoginMsg {
  color: #333;
  background: white;
  border: 3px solid #973653;
  border-radius: 3px;
}
.inputDx {
  background: #f0f0f0;
  border: none;
  margin: 1px auto 1px;
  max-width: 60%;
  height: 27px;
  color: black;
  border-radius: 1px;
  text-align: center;
  width: 100%;
  max-width: 250px;
  transition: box-shadow 0.3s ease;
}
.inputDx:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(66, 115, 151, 0.35);
}
.inputsubmit {
  border-radius: 1px;
  height: 30px;
  border: none;
  background-color: #427397;
  color: #fff;
  cursor: pointer;
  text-align: center;
  width: 100%;
  max-width: 250px;
  letter-spacing: 2px;
  transition: background-color 0.3s ease;
}

.inputsubmit:hover {
  background-color: #194260;
  color: black;
}