.video-item {
    background: #000;
    height: 350px !important;
}

.video-item video {
    width: 100%;
    height: 350px;

}


.slick-prev {
    left: 50px;
    background: url(hover_left.png) no-repeat;
}

.slick-next {
    right: 50px;
    background: url(hover_right.png) no-repeat;
}

.slick-prev,
.slick-next {
    width: 20px;
    height: 40px;
    z-index: 10;
    position: absolute;
    opacity: 0;
    top: 50%;
    transform: translateY(-50%);
    outline: none;
    border: none;
    text-indent: -9999px;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: opacity 0.3s;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    -webkit-transition: opacity 0.3s;
    -moz-transition: opacity 0.3s;
    -ms-transition: opacity 0.3s;
    -o-transition: opacity 0.3s;
}

.video-carousel:hover .slick-prev,
.video-carousel:hover .slick-next {
    opacity: 0.7;
}