#details {
    margin: 50px 0px;
}

#details .details-box {
    box-sizing: border-box;
    border: 1px solid gray;
    padding: 5px;
}

#details .details-box h3 {
    font-size: 23px;
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
}

#details .details-box p {
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
}

#details .details-box p b {
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
}

#details .details-box .btn-bg {
    border: none;
    background: #8d99af;
    color: #fff;
    border-radius: 0;
    transition: background 0.20s linear;
}


#details .details-box nav>.nav.nav-tabs {

    border: none;
    color: #fff;
    background: #272e38;
    border-radius: 0;

}

#details .details-box nav>div a.nav-item.nav-link,
#details .details-box nav>div a.nav-item.nav-link.active {
    border: none;
    padding: 10px 20px;
    color: #fff;
    background: #2a2a2a;
    border-radius: 0;
}

#details .details-box nav>div a.nav-item.nav-link.active:after {
    content: "";
    position: relative;
    bottom: -50px;
    left: -10%;
    border: 15px solid transparent;
    border-top-color: #8d99af;
}

#details .details-box .tab-content {
    background: #fdfdfd;
    line-height: 25px;
    border: 1px solid #ddd;
    border-top: 5px solid #8d99af;
    border-bottom: 5px solid #8d99af;
    padding: 30px 25px;
}

#details .details-box nav>div a.nav-item.nav-link:hover,
#details .details-box nav>div a.nav-item.nav-link:focus {
    border: none;
    background: #8d99af;
    color: #fff;
    border-radius: 0;
    transition: background 0.20s linear;
}

#links {
    width: 100%;
    display: flex;
    margin: 0 auto;
}

#links a {
    display: block;
    width: 100%;
    background: #8d99af;
    height: 50px;
    line-height: 50px;
    color: #fff;
    text-decoration: none;
    text-align: center;
}

#links a:hover {
    background: #2a2a2a;
    color: #fff;
}