.aboutUs_img {
    width: 100%;
    overflow: hidden;
    text-align: center;
    margin-top: 50px;
}

    .aboutUs_img img {
        display: block;
        max-width: 100%;
        margin: 0 auto;
    }

.aboutUs_bt {
    width: 100%;
    overflow: hidden;
    margin: 0 auto;
    margin-top: 50px;
    text-align: center;
    font-size: 24px;
}

.aboutUs_con {
    width: 85%;
    overflow: hidden;
    line-height: 26px;
    margin: 0 auto;
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: #282828;
}

.aboutUs_a {
    display: block;
    width: 250px;
    height: 45px;
    line-height: 45px;
    margin: 0 auto;
    background-color: #000000;
    border: 1px #000 solid;
    color: #fff;
    font-size: 20px;
    text-align: center;
    margin-top: 50px;
}

    .aboutUs_a:hover {
        color: #fff;
    }