.itopplus-background {
background-image:none;background-color :rgba(255, 0, 0, 0);
}
.navbar-default .navbar-nav>li>a {
    font-size: 18px;
    line-height: 1.42857143;
    color: #333;
    background-color: #fff;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    float: left;
    min-width: 160px;
    padding: 5px 0;
    margin: 2px 0 0;
    font-size: 18px;
    text-align: left;
    list-style: none;
    background-color: #fff;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    border: 1px solid #ccc;
    border: 1px solid rgba(0,0,0,.15);
    border-radius: 4px;
    -webkit-box-shadow: 0 6px 12px rgb(0 0 0 / 18%);
    box-shadow: 0 6px 12px rgb(0 0 0 / 18%);
}