* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
}

.modal-box {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  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(0,0,0,0.8); /* Black w/ opacity */
}

.modal-box[popup-display="false"] {
  display: none; /* Hidden by default */
}

.modal-box[popup-display="true"] {
  display: flex; /* Hidden by default */
}
/* Modal Content/Box */
.modal-content {
  margin: 10% auto; /* 15% from the top and centered */
  padding: 20px;
  border: 1px solid #888;
  width: 80%; /* Could be more or less, depending on screen size */
  height: 80%;
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
}

/* Float three header columns side by side */
.header-column {
  float: left;
  width: 30%;
  padding: 0 10px;
}

/* Float four columns side by side */
.column {
  float: left;
  width: 25%;
  padding: 0 10px;
}

/* Remove extra left and right margins, due to padding in columns */
.row {margin: 0 -5px;}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Style the counter cards */
.card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2); /* this adds the "card" effect */
  padding: 16px;
  text-align: center;
  height: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  background-color: #f1f1f1;
}

/* Responsive columns - one column layout (vertical) on small screens */
@media screen and (max-width: 600px) {
  .column {
    width: 100%;
    display: block;
    margin-bottom: 20px;
  }
}