.sliderEX {
    width: 100%;
    height: 100%;
    border: groove;
    background-size: 100% 100%;
    transition: background-image 1s;
}
div .LeftRight{
    margin-right :-4px;
    margin-left :1px;
    position:relative;
    top:-60%;
    text-align-last:justify;
}
.LeftRight button {
    font-size: 3.5em;
    padding: 0px 0px;
    background-color: rgba(0, 0, 0, 0.7);
}
    .LeftRight button:hover {
        background-color: rgba(0, 0, 0, 0.86);
        opacity:initial;
    }

/* Next & previous buttons */
.prev, .next {
    cursor: pointer;
    position: relative;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}

/* Position the "next button" to the right */
.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

    /* On hover, add a black background color with a little bit see-through */
    .prev:hover, .next:hover {
        background-color: rgba(0,0,0,0.8);
    }

/* Fading animation */
.fade {
    -webkit-animation-name: fade;
    -webkit-animation-duration: 1.5s;
    animation-name: fade;
    animation-duration: 1.5s;
}


@-webkit-keyframes fade {
    from {
        opacity: .4
    }

    to {
        opacity: 1
    }
}

@keyframes fade {
    from {
        opacity: .4
    }

    to {
        opacity: 1
    }
}