.content_img img{
    display: block;
    max-width: 100%;
    height: auto;
}


.form-group .account_fb{
    color: #fff;
    background: #3a5696;
    padding: 5px 10px;
    font-size: 1.1em;
    vertical-align: bottom;
    display: inline-block;    
    width: 155px;
    margin-bottom: 5px;
    text-align: center;
}
.form-group .account_google{
    color: #fff;
    background: #de3135;
    padding: 5px 10px;
    font-size: 1.1em;
    vertical-align: bottom;
    display: inline-block;    
    width: 155px;
    margin-bottom: 5px;
    text-align: center;
}
.form-group .account_fb.active,.form-group .account_google.active{
background: #adadad;
}