.ModalLayer::backdrop {
    background-color: #8883;
    backdrop-filter: blur(2px);
}
.ModalLayer {
    border: none;
    margin: 0;

    width: 100%;
    height: 100%;
    background-color: transparent;

    padding: 1em;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.ModalLayer:focus {
    outline: none;
}
.ModalLayer::before {
    content: '';
    display: block;
    flex-grow: 1;
}
.ModalLayer::after {
    content: '';
    display: block;
    flex-grow: 3;
}

.ModalLayer-inner {
    border: 1px solid #888;
    background-color: white;
    padding: 1em;
    --basic-html-field-toolbar-top: -1em;
    border-radius: 0.5em;
    overflow: auto;
    max-width: 100%;
    box-sizing: border-box;
}