* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

ul,
ol {
    list-style: none;
}

body {
    font-family: Open sans;
}

.slideshow {
    width: 100%;
    position: relative;
    height: 100vh;
    background-color: #343a40;
}

.slider li,
ul {
    width: 100%;
}

.slider li {
    overflow: auto;
    height: 100vh;
}

.slider li.c12 img {
    width: 50%;
    float: left;
}

.slider li.c24 img {
    width: 50%!important;
    height: 50%!important;
    float: left;
}

.slider li img {
    width: 100%;
    height: 100%;
}

.pagination {
    position: absolute;
    bottom: 0px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.pagination li {
    font-size: 20px;
    margin: 2px 5px;
    color: #858585;
    cursor: pointer;
}

.left,
.right {
    position: absolute;
    top: 0;
    height: 100%;

    display: flex;
    align-items: center;

    color: #fff;
    font-size: 35px;
    cursor: pointer;
    z-index: 2;
}

.left {
    left: 10px;
}

.right {
    right: 10px;
}