body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  background: #e6e6e6;
  margin: 0;
  padding: 0;
  color: #000;
}

a {
  color: #003399;
  text-decoration: none;
}
.subheader i {
    font-size: 22px;
    margin-left: 10px;
    color: #333;
}

.subheader a:hover i {
    color: #0d6efd;
}

.header {
  background: linear-gradient(#3366cc, #003399);
  color: #fff;
  padding: 8px;
  text-align: center;
  font-weight: bold;
}

.subheader {
  background: #ffffff;
  border-bottom: 1px solid #ccc;
  padding: 5px;
  text-align: center;
  font-size: 12px;
}

.menu {
  background: #ffffff;
  margin: 6px;
  border: 1px solid #bbb;
}

.menu a {
  display: block;
  padding: 6px;
  border-bottom: 1px solid #eee;
}

.menu a:last-child {
  border-bottom: none;
}

.box {
  background: #ffffff;
  margin: 6px;
  padding: 6px;
  border: 1px solid #bbb;
}

.footer {
  background: #003399;
  color: #fff;
  text-align: center;
  font-size: 16px;
  padding: 6px;
  margin-top: 10px;
}
.banner {
    background: linear-gradient(90deg, #0d6efd, #6610f2);
    color: white;
    text-align: center;
    padding: 25px 15px;
    font-size: 1.3rem;
    font-weight: bold;
    border-radius: 8px;
    margin-top: 15px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.topic {
    background: #f8f9fa;
    text-align: center;
    padding: 20px 15px;
    margin: 15px auto;
    max-width: 600px;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.topic-title {
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.topic-desc {
    font-size: 1rem;
    color: #333;
}

.menu-card {
    margin-top: 20px;
}
.menu-card a {
    text-decoration: none;
}
.menu-card .btn {
    width: 100%;
    margin-bottom: 10px;
    padding: 15px;
    font-size: 18px;
    text-align: left;
}