.about dl {
    padding: 40px 0 50px;
}
.about dt {
    float: right;
}
.about dt img {
    display: inline-block;
    width: 500px;
    height: 375px;
    padding-left: 25px;
}
.about dd {
    line-height: 220%;
    padding-bottom: 18px;
    font-size: 15px;
}
.about .contact {
    font-size: 16px;
    padding-bottom: 80px;
}
.about .contact .col-sm-6 {
    padding-top: 8px;
}
.about .contact p {
    padding-bottom: 6px;
}

@media (max-width: 768px) {
    .about dd {
        line-height: 180%;
        padding-bottom: 8px;
        font-size: 12px;
    }
    .about dl {
        padding: 20px 0 0 0;
    }
    .about dt img {
        padding-left: 0;
    }
    .about .contact {
        font-size: 14px;
        padding-bottom: 0;
    }
    .logo {
        margin-left: 0;
        width: 100%;
        display: flex;
        margin-top: 12px; }

    .regiser {
        width: 64px;
        margin-right: 0;
        font-size: 12px;
    }
    .login {
        width: 64px;
        margin-right: 18px;
        font-size: 12px;
    }
    .logo img {
        width: 90%;
        height: auto; }
    .logobox .phone {
        display: none; }
}