.container {
    position: relative;
    z-index: 2;
    /*max-width: 1600px;*/
    margin: 0 auto;
    padding: 20px;
}

.main-container {
    /*display: flex;*/
    flex: 1;
    padding: 20px;
    z-index: 2;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}