._ls {
    position: relative;
    text-align: center;
}

._ls__wrapper {
    position: relative;
    display: inline-block;
    vertical-align: top;
}

._ls ._ls__list {
    position: relative;
    z-index: 5;
    display: inline-block;
    vertical-align: top;
}

._ls ._ls__list ._ls__list-item {
    display: none;
}

._ls ._ls__list ._ls__list-item._ls-active {
    display: inline-block;
    vertical-align: top;
}

._ls ._ls__nav {
    width: 100%;
    height: 40px;
    position: absolute;
    z-index: 3;
    top: 50%;
    margin: -20px 0 0 0;
}

._ls ._ls__nav ._ls__nav-prev, ._ls ._ls__nav ._ls__nav-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    opacity: 1;
    transition: box-shadow 600ms cubic-bezier(0.215, 0.610, 0.355, 1.000);
    background: #ffffff;
    position: absolute;
    top: 0;
    left: -55px;
    text-align: center;
    border: 2px solid #507299;
}

._ls ._ls__nav ._ls__nav-next {
    left: auto;
    right: -55px;
}

._ls ._ls__nav ._ls__nav-prev:before, ._ls ._ls__nav ._ls__nav-next:before {
    content: "";
    display: inline-block;
    vertical-align: top;
    width: 16px;
    height: 16px;
    transform: rotate(45deg);
    margin: 11px 0 0 6px;
    border: 3px solid #507299;
    border-top: none;
    border-right: none;
}

._ls ._ls__nav ._ls__nav-next:before {
    transform: rotate(225deg);
    display: inline-block;
    vertical-align: top;
    margin: 11px 6px 0 0;
}

._ls ._ls__nav ._ls__nav-prev:hover, ._ls ._ls__nav ._ls__nav-next:hover {
    box-shadow: 0 0 15px rgba(80, 114, 153, 0.2);
}

._ls ._ls__nav ._ls__nav-prev._ls-disabled, ._ls ._ls__nav ._ls__nav-next._ls-disabled {
    opacity: 0.5;
    box-shadow: none;
}

._ls ._ls__dots {
    text-align: center;
}

._ls ._ls__dots ._ls__dots-item {
    display: inline-block;
    vertical-align: top;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #789bcb;
    margin: 10px 3px 0 3px;
}

._ls ._ls__dots ._ls__dots-item._ls-active {
    background: #507299;
}