.scroll-viewport {
    overflow: auto;
    position: relative;
}

.scroll-overview {
    position: absolute;
    left: 0;
    top: 0;
    padding: 0;
    margin: 0;
    width:95%;
}

.scroll-bar {
    background-color: #d3d3d3;
    border-radius: 5px;
    position: absolute;
    top: 0;
    right: 0;
    width: 5px;
    transition: .6s ease-in-out opacity;
    height: 100%;
}

    .scroll-bar.disable {
        display: none;
    }

    .scroll-bar.visible, .scroll-bar:hover {
        opacity: 1 !important;
    }

.scroll-thumb {
    background-color: gray;
    border-radius: 5px;
    height: 20px;
    width: 4px;
    cursor: pointer;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 1px;
}

body.scroll-no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
#ex2_dropdown .scroll-viewport {
    height: 280px;
    overflow: hidden;
    position: relative;
}
#Groupssss .scroll-viewport {
    height: 400px;
    overflow: hidden;
    position: relative;
}
#grouplistdata1 .scroll-viewport {
    height: 400px;
    overflow: hidden;
    position: relative;
}
#grouplistdata2 .scroll-viewport {
    height: 400px;
    overflow: hidden;
    position: relative;
}
#Gallerygrouplistdata1 .scroll-viewport {
    height: 400px;
    overflow: hidden;
    position: relative;
}
#Gallerygrouplistdata2 .scroll-viewport {
    height: 400px;
    overflow: hidden;
    position: relative;
}

#grbtreescroll .scroll-viewport {
    height: 230px;
    overflow: hidden;
    position: relative;
}
#filterscroll .scroll-viewport {
    height: 84px;
    overflow: hidden;
    position: relative;
}
#filteryearscroll .scroll-viewport {
    height: 90px;
    overflow: hidden;
    position: relative;
}