Скролл горизонтального меню

Скролл горизонтального меню

<div class="nav">
        <nav class="cvu-navigation">
            <ul class="navigation">
                <li class="active"><a href="#">Послуги</a></li>
                <li><a href="#">Акції</a></li>
                <li><a href="#">Галерея</a></li>
                <li><a href="#">Жалюзі та ролети</a></li>
                <li><a href="#">Натяжні стелі</a></li>
                <li><a href="#">Ковані вироби</a></li>
                <li><a href="#">Статті</a></li>
                <li><a href="#">Контакти</a></li>
            </ul>
        </nav>
    </div>
    
    
    
    -----------============= css =============-----------
    
    .nav{
    box-shadow: 0 1px 20px 8px rgba(0,0,0,0.25);
    position: relative;
    z-index: 2;
    width: 100%;
    background-color: #131417 !important;
}
.cvu-navigation{
    height: 48px;
    display: block;
    text-align: center;
    font-size: 0;
    position: relative;
    padding: 0;
    margin: 0 auto;
    user-select: none;
    max-width: 1260px;
}
.cvu-navigation li{
    display: inline-block;
    font-size: 16px;
    text-align: center;
    line-height: 46px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    margin: 0 12px;
    min-width: 100px;
    max-width: 264px;
    border-bottom: 2px solid transparent;
    transition: all 0.5s;
}
.cvu-navigation li.active{
    border-bottom-color: #ffd741;
}
.cvu-navigation li:first-child{
    margin-left: 0;
}
.cvu-navigation li:last-child{
    margin-right: 0;
}
.cvu-navigation li a{
    *font-weight: 300;
    letter-spacing: -0.4px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
}
.cvu-navigation li.active a{
    color: #fff;
}
.navigation{
    margin:  0;
    padding: 0;
}
.ripple {
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    -webkit-transform: scale(0);
    -ms-transform: scale(0);
    transform: scale(0);
    position: absolute;
    opacity: 1;
}
.rippleEffect {
    -webkit-animation: rippleDrop .6s linear;
    animation: rippleDrop .6s linear;
}
@-webkit-keyframes rippleDrop {
    100% {
        -webkit-transform: scale(2);
        transform: scale(2);
        opacity: 0;
    }
}
@keyframes rippleDrop {
    100% {
        -webkit-transform: scale(2);
        transform: scale(2);
        opacity: 0;
    }
}

@media (max-width: 1480px) {
    .cvu-navigation li{
        min-width: 72px;
    }
}
@media (min-width: 1000px) {
    .cvu-navigation {
        background-color: #131417 !important;
        height: 56px;
        line-height: 56px;
    }
    .cvu-navigation li{
        line-height: 53px;
        border-bottom: 3px solid transparent;
    }
}

@media (max-width: 980px) {
    .cvu-navigation li{
        margin: 0 6px;
    }
    .cvu-navigation li:first-child{
        margin-left: 0;
    }
}
@media (max-width: 865px){
    .cvu-navigation{
        overflow: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 960px;
        height: 57px;
    }
    .nav{
        display: inline-block;
        width: 100%;
        height: 48px;
        overflow: hidden;
        box-shadow: 0 1px 7px -2px rgba(0,0,0,0.8);
        position: relative;
    }
    /*
    .cvu-navigation:after {
        content: "";
        display: inline-block;
        position: absolute;
        width: 100%;
        background: #fff;
        height: 5px;
        bottom: 0;
        left: 0;
    }
    */
    .nav::after {
        content: "";
        display: table;
        position: absolute;
        top: 0;
        right: 0;
        height: 48px;
        width: 50px;
        z-index: 1;
        pointer-events: none;
        visibility: visible;
        opacity: 1;
        -webkit-transition: opacity .3s 0s, visibility 0s 0s;
        -moz-transition: opacity .3s 0s, visibility 0s 0s;
        transition: opacity .3s 0s, visibility 0s 0s;
        background: -moz-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.39) 100%);
        background: -webkit-gradient(left top, right top, color-stop(0%, rgba(255,255,255,0)), color-stop(100%, rgba(255,255,255,0.39)));
        background: -webkit-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.39) 100%);
        background: -o-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.39) 100%);
        background: -ms-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.39) 100%);
        background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.39) 100%);
        filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#ffffff', GradientType=1 );
    }
    .navigation{
        padding: 0 10px;
        width: 835px;
        height: 48px;
        overflow: hidden;
    }
    .navigation:after {
        content: "";
        display: table;
        clear: both;
    }
    .navigation li {
        float: left;
    }
}