ul, ol {list-style: none}

.slider {
    width: 100%;
    height: 800px;
    position: absolute;
    top: 50%;
    left: 0;
/*    -webkit-transform: translate(0, -50%);
    -moz-transform: translate(0, -50%);
    -o-transform: translate(0, -50%);
    transform: translate(0, -50%);*/
    overflow: hidden;
    position: relative;
}
.slider ul, .slider ul li {width: 100%; height: 100%}
.slider ul {
    position: absolute;
    top: 0;
    left: 0;
    padding: 0px;
}
.slider ul li {
    text-align: center;
    line-height: 400px;
    font-size: 50px;
    color: #aaa
}
.slider ul li:first-of-type {background: #222}
.slider ul li:nth-of-type(2) {background: #252525}
.slider ul li:nth-of-type(3) {background: #222}
.slider ul li:nth-of-type(4) {background: #252525}
.slider ul li:last-of-type {background: #222}
.slider ol {
    position: absolute;
    right: 0;
    top: 50%;
    padding-right: 15px;
    -webkit-transform: translate(0, -50%);
    -moz-transform: translate(0, -50%);
    -o-transform: translate(0, -50%);
    transform: translate(0, -50%);
}
.slider ol li {
    width: 100%;
    height: auto;
    margin-bottom: 5px;
    background: rgba(255, 255, 255,.3);
    cursor: pointer
}
.slider ol li:hover, .slider ol li.active {
    background: #eee
}

/*--------------------------------------------------------
    History Content css start
--------------------------------------------------------*/
    .year_title{
        position: absolute;
        top: 0px;
        right: 50%;
        left: 55%;
        z-index: 1246;
        border: 1px solid;
        display: flex;
        flex-direction: row;
    }
    .year_title span{
        margin-left: -50px;
    }

    .main-title {
    font-family:  'Barlow', sans-serif ;
    text-transform: uppercase;
    font-size: 30px;
    line-height: 40px;
    font-weight: 700;
    margin-bottom: 5px;
    letter-spacing: 1px;
    color: #fff;
}
.small-title {
    font-family:  'Barlow', sans-serif ;
    font-size: 20px;
    line-height: 30px;
    color: #fff;
}
.smaller-text {
    font-family:  'Barlow', sans-serif ;
    font-size: 18px;
    line-height: 27px;
    margin-top: 40px;
    margin-bottom: 0;
    color: #fff;
}

/*----------------- History content css ends ------------------*/