salix/client/core/src/components/drop-down/style.scss

vn-drop-down {
    position: absolute;
    z-index: 10;
    padding: 0 15px;
    margin-left: -15px;
    background: transparent;
    max-height: 446px;
    overflow: hidden;
    .dropdown-body{
        background: white;
        border: 1px solid #A7A7A7;
        .filter{
            padding: 5px 9px 5px 5px;
            input{
                height: 25px;
                padding-left: 5px;
            }
            vn-icon{
                font-size: 16px;
                margin-left: -20px;
                margin-top: 7px;
                cursor: pointer;
                &:hover{
                    color: red;
                }
            }
        }
        ul{
            padding: 0;
            margin: 0;
            background: white;
            max-height: 378px;
            overflow-y: auto;
            li {
                outline: none;
                list-style-type: none;
                padding: 5px 10px;
                cursor: pointer;
                white-space: nowrap;
                &.dropdown__loadMore{
                    color: rgb(255,171,64);
                    font-weight: 700;
                }
                &.dropdown__loadMore.noMore{
                    color:#424242;
                    font-weight: 700;
                    opacity: 0.7;
                }
                input[type=checkbox]{
                    float: left;
                    margin: 5px 5px 0 0;
                }
            }
            li.active{
                background-color: #3D3A3B;
                color: white;
            }
        }
     }
}
#ddBack {
    position: fixed;
    z-index: 9998;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}
vn-drop-down.fixed-dropDown {
    position: fixed;
    margin: 0;
    padding: 0;
    .dropdown-body{
        height: 100%;
        ul{
            border-bottom: 1px solid #A7A7A7;
        }
    }
}