/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  padding-top: 100px; /* Location of the box */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content */
.modal-content {
  position: relative;
  /*background-color: #fefefe;*/
  margin: auto;
  padding: 0;
  border: 1px solid #888;
  width: 80%;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
  -webkit-animation-name: animatetop;
  -webkit-animation-duration: 0.4s;
  animation-name: animatetop;
  animation-duration: 0.4s
}

/* Add Animation */
@-webkit-keyframes animatetop {
  from {top:-300px; opacity:0} 
  to {top:0; opacity:1}
}

@keyframes animatetop {
  from {top:-300px; opacity:0}
  to {top:0; opacity:1}
}

/* The Close Button */
.close {
  background-color:red;
  border-radius:5px;
  box-shadow:1px 1px 1px black;
  text-shadow:1px 1px black;
  color: white;
  float: right;
  font-size: 28px;
  font-weight: bold;
  padding:0px 4px;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}

.modal-header {
  padding: 10px 10px;
  background-color:rgba(100,100,100,0.75);
  color: white;
  height:30px;
}

.modal-body {
  padding: 2px 16px;
  background-color:white;
}

.modal-footer {
  padding: 2px 16px;
  background-color: #5cb85c;
  color: white;
}

.flip-card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.6);
  text-align: center;
  cursor: pointer;
  transition: 0.5s;
  -webkit-transition: 0.5s;
  transition: transform 0.6s;
  -webkit-transition: transform 0.6s;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  margin:10px;
  padding:10px;
}

.flip-front, .flip-back {
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.flip-front {
  height: 100%;
  transform: rotateX(0deg);
  -webkit-transform: rotateX(0deg);
}
.flip-back {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
  position: absolute;
  text-align: center;
  right: 0;
  left: 0;
  top: 0;
}
.flip-card.flip {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}



/* Style the button that is used to open and close the collapsible content */
.collapsible {
  background-color: #eee;
  color: #444;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
}

/* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
.active, .collapsible:hover {
  background-color: #ccc;
}

/* Style the collapsible content. Note: hidden by default */
.content {
  padding: 0 18px;
  display: none;
  overflow: hidden;
  background-color: #f1f1f1;
}