body {
  font-family: Arial, sans-serif;
  padding: 20px;
}

.fullscreen {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #007bff, #00d4ff);
}

.tab-container {
  max-width: 804.75px;
  width: 100%;
  margin: 0 auto;
}

.tabs {
  display: flex;
  border-bottom: 3px solid #ccc;
}

.tab-button {
  padding: 10px 20px;
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-size: 16px;
  white-space: nowrap;
  transition: border-bottom 0.3s, color 0.3s;
}

.tab-button.active {
  border-bottom: 5px solid #007acc;
  font-weight: bold;
}

.tab-content {
  display: none;
  padding: 20px 0;
}

.tab-content.active {
  display: block;
}