body{
  margin: 0;
  padding: 0;
  background-color: lightblue;
  background-size: cover;
  background-image: url("/images/bg-b.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;
}