* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container-header {
    background-color: #1f1f2e !important;
    color: white !important;
}

.img-logo {
    width: 100px;
    border-radius: 50%;
}

.book_title {
    font-size: 44px;
}

.img-carusel {
    width: 100%;
    height: 20%;
    object-fit: cover;
}

.course-truck {
    background-image: url("../road.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    display: block;
}

.img-card {
    width: 100%;
    height: 203px;
    object-fit: cover;
}

.icon-telophone {
    width: 30px;
    background-color: white;
    color: white;
}

.card-width {
    height: 255px;
}

.card_doc {
    background-color: #323280;
}

.btn-sosial {
    border: 2px solid #ffff;
    border-radius: 50%;
    background-color: #1f1f2e;
    padding: 10px;
}

.sertificat_bg {
    background-image: url("../output.png");
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.sertificata {
    height: 530px;
}

.img-style {
    position: relative;
    overflow: hidden;
}

.img-style :hover {
    transform: scale(1.1);
}

.header-bg {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8));
    background-image: url("/storage/truck-wall.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    opacity: 0.9;
}