body {
    font-family: 'Roboto', sans-serif;
    color: #333;
    /* background: #333 url('img/denim.png') repeat; */
    /* max-width: 1080px; */
    /* margin: 0 auto; */
    /* box-shadow: rgba(0, 0, 0, 0.25) 0px 54px 55px, rgba(0, 0, 0, 0.12) 0px -12px 30px, rgba(0, 0, 0, 0.12) 0px 4px 6px, rgba(0, 0, 0, 0.17) 0px 12px 13px, rgba(0, 0, 0, 0.09) 0px -3px 5px; */
}

h1, h2, h3 {
    color: #1e90ff;
    font-weight: 700;
}

.bg-theme {
    background: #004e99;
}

.btn-primary {
    transition: background-color 0.3s, transform 0.3s;
}

.btn-primary:hover {
    background-color: #4682b4;
    transform: scale(1.05);
}

.form-register {
    max-width: 600px;
    margin: 0 auto;
}

footer {
    position: relative;
    bottom: 0;
    width: 100%;
}

.book-bg {    
    overflow: hidden;
    position: relative;
    background: #444 url('img/books-ol.png') center;
    background-size: cover;
}

.book-bg .dtls {
    position: relative;
    z-index: 2;
}

.book-bg::after {
    content: "";
    position: absolute;
    width: 175%;
    top: -10%;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5); /* Dark overlay with 50% opacity */
    transform: rotate(-60deg);
    z-index: 1;

}

.text-justify {
    text-align: justify!important;
}
.fs-7 {
    font-size: 13px;
}

.header {
    display: flex;
    align-items: center;
    border-bottom: 2px solid #8700a6;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.header img {
    max-height: 60px;
    margin-right: 20px;
}

/* Style for the banner */
#banner {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 720px;
    background-color: #333;
    color: white;
    font-size: 2em;
    z-index: 1000;
    box-shadow: rgba(0, 0, 0, 0.56) 0px 22px 70px 4px;
  }
/* Responsive Styles */
@media (max-width: 600px) {
    .container {
        padding: 0.5rem;
    }
}