html, body {
    height: 100%;
}

body {
    margin: 0;
    background: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
    color: #555;
}

.login-wrapper {
    min-height: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
}

.login-box {
    width: 555px;
    min-height: 345px;
    background: #f7f7f7;
    border: 1px solid #eeeeee;
    border-radius: 3px;
    box-shadow: 0 2px 3px rgba(0,0,0,.22);
    padding: 42px 40px 55px 40px;
}

.login-title {
    text-align: center;
    letter-spacing: 13px;
    font-size: 30px;
    font-weight: 300;
    color: #666666;
    margin-bottom: 36px;
}

.login-input {
    height: 34px;
    border-radius: 0;
    border: 1px solid #d8d8d8;
    background: #eaf2ff;
    font-size: 13px;
}

.login-button {
    height: 34px;
    border-radius: 2px;
    background: #000000;
    border-color: #000000;
    font-size: 14px;
}

.form-check-label {
    font-size: 14px;
    color: #666666;
}

.alert:empty {
    display: none;
}

@media (max-width: 650px) {
    .login-wrapper {
        padding: 24px 12px;
        align-items: center;
    }

    .login-box {
        width: 100%;
        padding: 32px 24px 40px 24px;
    }

    .login-title {
        letter-spacing: 8px;
        font-size: 25px;
    }
}