* {
  box-sizing: border-box;
}

/* Float four columns side by side */
.columns {
  float: left;
  width: 25%;
  padding: 0 5px;
}

.rows {margin: 0 -5px;}

/* Clear floats after the columns */
.rows:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive columns */
@media screen and (max-width: 600px) {
  .columns {
    width: 100%;
    display: block;
    margin-bottom: 10px;
  }
}

/* Style the counter cards */
.cards {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  padding: 16px;
  text-align: center;
  background-color: #444;
  color: white;
}

.fa {font-size:50px;}

.collapsible {
  background-color: #777;
  color: white;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
}

.collapsible:after {
  content: '\02795'; /* Unicode character for "plus" sign (+) */
  font-size: 13px;
  color: #777;
  float: right;
  margin-left: 5px;
}

.activez:after {
  content: "\2796"; /* Unicode character for "minus" sign (-) */
}

.activez, .collapsible:hover {
  background-color: #555;
}

.contentz {
  padding: 0 18px;
  display: none;
  overflow: hidden;
  background-color: #f1f1f1;
}

.accordion {
  background-color: #eee;
  color: #444;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
  transition: 0.4s;
}

.active, .accordion:hover {
  background-color: #ccc;
}

.accordion:after {
  content: '\002B';
  color: #777;
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.active:after {
  content: "\2212";
}

.panel {
  padding: 0 18px;
  background-color: white;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}

/* Rounded border */
hr.rounded {
  border-top: 2px solid #bbb;
  border-radius: 1px;
}


* {
  box-sizing: border-box;
}

/* Create two equal columns that floats next to each other */
.columnsj {
  float: left;
  width: 50%;
  padding: 30px;
}

/* Clear floats after the columns */
.rowsj:after {
  content: "";
  display: table;
  clear: both;
}
/* Style the buttons */
.btn {
  border: none;
  outline: none;
  padding: 12px 16px;
  background-color: #f1f1f1;
  cursor: pointer;
}

.btn:hover {
  background-color: #ddd;
}

.btn.active {
  background-color: #666;
  color: white;
}