body {
    background-color: #f8f9fa;
}

h1 {
    color: #343a40;
    text-align: center;
}

.hidden {
    display: none !important;
}

.progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 5px;
    width: 100%;
    z-index: 1000;
}

.no-transition {
    transition: none !important;
}

.padding-left-40 {
    padding-left: 40px;
}