body{
    margin: 0;
    padding: 0;
    background-color: lightblue;
    background-size: cover;
    background-image: url("/images/school.png");
    background-repeat: no-repeat;
    background-position: right top;
}

.container{
  margin-top: 50px;
  margin-left: 50px;

  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: flex-start;
}

.center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.btn {
  background-color: #2196F3;
  color: white;
  padding: 12px 48px;
  font-size: 24px;
  border: none;
  outline: none;
}

/* The container <div> - needed to position the dropdown content */
.dropdown {
  position: absolute;
  display: inline-block;
}

/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #27792e;
  min-width: 400px;
  z-index: 1;
  font-family:Arial, Helvetica, sans-serif
}

/* Links inside the dropdown */
.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

/* Change color of dropdown links on hover */
.dropdown-content a:hover {background-color: rgb(190, 163, 163)}

/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {
  display: block;
}

/* Change the background color of the dropdown button when the dropdown content is shown */
.btn:hover, .dropdown:hover .btn  {
  background-color: #0b7dda;
}