.login-form-container {
    display: flex;
    justify-content: center;
}

.header-container {
    display: flex;
    justify-content: center;
}

.ui.form .field {
    width: 300px;
}

.login-btn {
    margin-top: 15px !important;
}

.login-btn-container {
    display: flex;
    justify-content: center;
}