.max-height-300 pre {
  max-height: 300px;
}

.theme-switch {
  display: inline-block;
  height: 24px;
  position: relative;
  width: 50px;
}

.theme-switch input {
  display: none;
}

.slider {
  background-color: #ccc;
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: 400ms;
}

.slider::before {
  background-color: #fff;
  bottom: 4px;
  content: "";
  height: 16px;
  left: 4px;
  position: absolute;
  transition: 400ms;
  width: 16px;
}

input:checked + .slider {
  background-color: #66bb6a;
}

input:checked + .slider::before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round::before {
  border-radius: 50%;
}


/****************************************************************/
.form-container {
    position: relative; 
    margin: 0 auto;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5); 
    justify-content: center;
    align-items: center;
    z-index: 2;
    display:flex;
    padding:34px;
    border-radius:4px;
}

form {
    position: relative;
    z-index: 1;
}
.no-approved-link {
    display:block; 
    color:white;
}
.no-approved-link a {
    color:white; 
    font-weight:bolder;
    text-decoration:underline;
}