h1, h2, p {
  text-align: left;
  padding: 16px;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
  border: 1px solid #ddd;
}

th, td {
  text-align: left;
  padding: 16px;
}

tr:nth-child(even) {
  background-color: #f2f2f2;
}

/* Style the tab */
.tab {
  overflow: hidden;
  border: 1px solid white;
  background-color: blue;
}

/* Style the buttons inside the tab */
.tab button {
  background-color: black;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  /* 
  padding: 14px 30px;  14px 16px;
  font-size: 17px;
  */
}

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

.button {
  background-color: blue;
}

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

/* Create an active/current tablink class */
.a:active {
  background-color: blue;
}

.button:active {
  background-color: blue;
}


/* Style the tab content */
.tabcontent {
  display: none;
  padding: 6px 12px;
  border: 1px solid white;
  border-top: none;
}