div.modal-dialog-container {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    padding: 2em;
    background-color: rgba(127, 127, 127, 0.5);
    z-index: 202;
    display: flex;
    justify-content: center;
}

div.modal-dialog {
    height: 100%;
    background-color: var(--container-bg-color);
    box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.75);
    display: inline-flex;
    flex-direction: column;
}

div.modal-dialog-title {
    font-weight: bold;
    color: var(--titlebar-text-color);
    background-color: var(--titlebar-bg-color);
    flex: 0 0 2.5em;
    display: flex;
    align-items: center;
    padding: 0 0.25em;
    display: flex;
    align-items: center;
}

div.modal-dialog-title span:not(.icon) {
    flex: 1 1 auto;
}

div.modal-dialog-title span.icon {
    flex: 0 0 auto;
    margin: 0 0.25em;
    font-size: large;
}

div.modal-dialog-body {
    padding: 0.25em;
    flex: 1 1 auto;
    overflow: hidden;
    text-align: center;
    position: relative;
}