.main-banner h1,
h3 {
    color: #000;
}

.marketing p a {
    color: #fff;
}

.btn-white {
    padding: 8px 30px;
    background: #fff;
    border-radius: 30px;
    color: #a30000 !important;
    border: 2px solid #fff;
    font-size: 15px !important;
    text-transform: uppercase;
    transition: .5s;
    position: relative;
    margin-right: 20px;
    z-index: 1;
}


.btn-white:after {
    transition: .5s;
    animation: 3s cubic-bezier(.25, 0, 0, 1) 4s infinite zoom;
    box-shadow: 0 0 0 15px #fff;
    width: 100%;
    height: 100%;
    border-radius: 50px;
}

.book-box-2 {
    background: #10549b36;
}

.white-color {
    color: #fff;
}

.book-box-2:hover h3,
.book-box-2:hover p {

    color: #fff;
}

.book-box:before {
    background-color: #10549b;
}

.logo-slider img {
    filter: grayscale(1) brightness(0);
}