.banner {
    background-image: url('image/perpus.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 50px 20px;
    position: relative;
    height: 450px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 20px auto;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    border-radius: 20px;
}
.banner .spanclass{
    font-size: 35px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

.banner h1 {
    font-size: 36px;
    font-weight: bold;
}
.banner span {
    font-style: italic;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background: #2C3E50;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    margin-top: 20px;
    transition: background 0.3s;
}
.btn:hover {
    background: #254647;
}