.ad-container {
    height: 300px;
    margin: 0 auto;
    box-sizing: border-box;
    border: 1pX solid $grayBorder;
    background-color: #fff;

    .ad {
        float: left;
        width: 50%;
        height: 100%;
        box-sizing: border-box;
    }

    .ad.first {
        border-right: 1pX solid $grayBorder;
    }

    img {
        float: left;
        width: 50%;
        height: 100%;
        box-sizing: border-box;
        padding: 25px;
    }
}