body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f8ff;
}

header {
    color: white;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #0073e6;
}

.brand {
    font-size: 24px;
    font-weight: bold;
}

.sticky-button {
    position: sticky;
    top: 0;
}

.register-btn {
    background-color: #005bb5;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

.banner img {
    width: 100%;
    height: auto;
}

main {
    padding: 20px;
}

.button-group {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 20px;
}

.full-width-btn {
    flex: 1;
    padding: 15px;
    background-color: #000000;
    color: white;
    border: 2px solid red;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s, border-color 0.3s;
    border-radius: 5px;
    margin: 0 5px;
}

.full-width-btn:hover {
    background-color: #333333;
    transform: scale(1.05);
    border-color: darkred;
}

.full-width-btn:focus {
    outline: none;
    box-shadow: 0 0 5px darkred;
}

.content {
    margin-top: 20px;
}

footer {
    background-color: #005bb5;
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-icons a {
    padding: 10px;
    color: white;
    text-decoration: none;
    font-size: 20px;
}

.social-icons a:hover {
    opacity: 0.7;
}