/* Style the tab */
.tab {
  overflow: hidden;
  background-color: #f1f1f1;
}

/* Style the buttons inside the tab */
.tab button {
  background-color: inherit;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding-top: 10px;
  padding-bottom: 10px;
      
  transition: 0.3s;
  font-size: 15px;
  width: 20%; /* Four equal-width links. If you have two links, use 50%, and 33.33% for three links, etc.. */
  text-align: center;
}

/* Style the buttons inside the tab */
.heading    {
  font-size: 35px;
  width: 100%;
  text-align: center;
  font-weight: bold;
}

.normal_text {
  font-size: 18px;
  width: 100%;
  text-align: center;
}

/* Change background color of buttons on hover */
.tab button:hover {
  background-color: #ddd;
}

/* Create an active/current tablink class */
.tab button.active {
  background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
  display: none;
  padding: 6px 12px;
  border-top: none;
}