.login-box {
    flex-grow: 1;
    -webkit-flex-grow: 1;
    align-items: center !important;
    height: 500px;
    max-width: 450px;
    width: 50%;
    display: flex;
    margin: auto;
    justify-content: center;
    align-items: center;
}

.login-box dl {
    background: #f3f3f3;
    border-radius: .3rem;
    display: block;
    width: 100%;
    padding: 1rem 3rem;
    position: relative;
}

.login-box dl dt {
    text-align: center;
    font-size: 1.5rem;
    padding: 1rem 0;
}

.login-box dl dd {
    padding: 0.5rem 0;
}

.login-box .captcha {
    height: 35px;
    padding: 0 !important;
    cursor: pointer;
}

.login-box .actions {
    display: flex;
}

.login-box .btn-success {
    display: block;
    width: 100%
}

@media (max-width: 640px) {
    .login-box {
        width: 100% !important;
    }

    .login-box dl {
        background: #FFFFFF;
        border-radius: 0;

    }
}