body, html {
    height: 100%;
}
.container-fluid.full-height {
    height: 100vh;
}
.left-panel {
    background: url('../Img/back.jpg') no-repeat center center;
    background-size: cover;
    min-height: 100vh;
}
.right-panel {
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-form {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}