.sub-banner {
    height: 42vh;
    position: relative;
    margin-top: 100px;
}

.sub-banner .banner {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

.sub-banner .banner .filter {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 9;
}

.sub-banner .banner .filter:after {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgb(5,4,32,1);
    background: linear-gradient(0deg, rgba(26,105,164,1) 0%, rgba(7,41,67) 100%);
    opacity: .60;
}

.sub-banner .container {
    position: relative;
    z-index: 9;
}

#sticky-div.sticky {
    position: sticky;
    top: 150px;
}

#sticky-div {
    z-index: 1;
    position: relative;
}

.sidebar {
    background: #fff;
    border: 2px solid #ddd;
    -webkit-box-shadow: 0px 5px 25px -2px rgb(0 0 0 / 6%);
    -moz-box-shadow: 0px 5px 25px -2px rgba(0, 0, 0, 0.06);
    box-shadow: 0px 5px 25px -2px rgb(0 0 0 / 6%);
}

.sidebar a.btn {
    margin-top: 15px;
    width: 100%;
}