:root {
  --sans-font: Georgia, "Times New Roman", serif;
  --bg: mintcream;
  --border: darkslategray;
  --accent-bg: honeydew;
  --text: darkslategray;
  --accent: mediumvioletred;
  --accent-hover: mediumvioletred;
  --marked: mediumspringgreen;
}

h1 {
  border-block-start: 10px solid var(--heading-color);
  margin-block-start: 4rem;
  margin-block-end: 2rem;
  font-family: var(--heading-font);
  font-weight: normal;
}
/* Style the tab */
.tab {
  overflow: hidden;
  border: 1px solid #ccc;
  background-color: #f1f1f1;
}

/* Style the buttons that are used to open the tab content */
.tab button {
  background-color: inherit;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
}

/* 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: 1px solid #ccc;
  border-top: none;
}