body {
    font-family: "Lato", sans-serif;
}

#wrapperOuter {
    position: relative;
    max-width: 1250px;
    margin: 0 auto;
    background: #ffffff;
    -webkit-box-shadow: 0px 0px 20px 15px rgb(0 0 0 / 30%);
    box-shadow: 0px 0px 20px 15px rgb(0 0 0 / 30%);
}

.navigation {
    position: absolute;
    width: 80%;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.navigation nav {
    background: #0000006b;
    /* background: #000000ff; */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    border-radius: 20px;
}

.hamburger {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    border-radius: 3px;
    outline: none !important;
}
.site_menus .closebtn {
    display: none;
}

.navigation img {
    width: 230px;
}

.site_menus a {
    color: #fff;
    text-transform: uppercase;
    font-weight: 600;
    padding: 0 15px;
    text-decoration: none;
    transition: 0.3s ease-in;
}

.site_menus a.active {
    color: yellow;
}

.site_menus a:hover {
    color: yellow;
}

.about_section {
    background-color: #28363f;
    padding: 40px 100px;
    border-top: 10px solid #fff;
    border-bottom: 10px solid #fff;
    box-shadow: 0px 0px 13px 0px #a2a2a2;
}

.about_section h1 {
    font-size: 48px;
    color: #fff;
    font-weight: 700;
}

.video_section {
    padding: 40px 100px;
}

.video_book {
    width: 80%;
    padding: 10px 15px;
    border: 1px solid #e2e2e2;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgb(0 0 0 / 50%);
}
.video_section p {
    color: #4c4c4b;
    margin-bottom: 25px;
}

.video_section h5 {
    color: #4c4c4b;
    font-size: 16px;
    margin: 0;
    font-weight: 600;
}
iframe {
    width: 676px;
    height: 391px;
}

footer {
    padding: 20px 100px;
    background-color: #cdcdcd;
    box-shadow: 0px 0px 10px 5px rgb(0 0 0 / 30%);
}

.footer_heading {
    color: #4c4c4c;
    text-transform: uppercase;
    font-weight: bolder;
}

.footer_content p {
    color: #4c4c4c;
}

.footer_content a {
    color: #004080;
    transition: 0.5s ease-in-out;
}

.footer_content a:hover {
    color: #6699cc;
}


.footer-bottom {
    color: #4c4c4b;
    text-align: center;
    padding-top: 15px;
    padding-bottom: 20px;
    font-size: 16px;
}

.footer-bottom a {
    color: #4c4c4b;
    /* text-decoration: none; */
}

@media screen and (max-width: 990px) {
    .navigation img {
        width: 125px;
    }
    .about_section,
    .video_section,
    footer {
        padding: 40px 20px;
    }
    iframe {
        width: 473px;
        height: 261px;
    }

    .about_section h1 {
        font-size: 47px;
    }
    iframe {
        width: 100%;
    }
    .site_menus {
        height: 100%;
        width: 200px;
        position: fixed;
        z-index: 1;
        top: 0;
        left: 0;
        background-color: #111;
        overflow-x: hidden;
        transition: 0.5s;
        padding-top: 60px;
        padding-left: 20px;
        margin-left: -200px;
    }
    .site_menus.active{
        margin-left: 0;
    }
    .site_menus .closebtn {
        display: block;
        position: absolute;
        top: 10px;
        right: 25px;
        font-size: 14px;
        padding: 0;
        text-transform: capitalize;
    }
    .site_menus a {
        margin-bottom: 6px;
        padding: 4px;
        display: block;
    }
    .video_book {
        margin-top: 20px;
        width: 100%;
    }
    .hamburger {
        display: block;
    }
    .navigation {
        position: unset;
        width: 100%;
        top: unset;
        left: unset;
        transform: unset;
    }
    .navigation nav {
        background: #000000;
        border-radius: unset;
        padding: 8px 30px;
    }
    .video_book img {
        width: 220px;
    }
}