.modal-curtain {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;

    z-index: 1999;

    display: flex;
    justify-content: center;
    align-items: flex-start;

    background-color: rgba(68, 68, 68, .8);
}

.modal {
    width: 90vw;
    padding: 1em .5em;
    color: inherit;

    border-radius: 0 0 3px 3px;

    box-shadow: 0 3px 4px 0 rgba(0, 0, 0, .14),
                0 1px 8px 0 rgba(0, 0, 0, .12),
                0 3px 3px -2px rgba(0, 0, 0, .4);

    background-color: var(--white);
}

.modal-content {
    padding: 0;
    margin: 0;
    text-align: center;

    color: inherit;

    font-size: 125%;
    line-height: 1.5;
}

.modal.error {
    background-color: var(--compass-red);
}
.modal.warning {
    background-color: #ff9800;
}
.modal.info {
    background-color: #1e88e5;
}
.modal.success {
    background-color: #4caf50;
}

.modal.error, .modal.warning, .modal.info, .modal.success {
    color: #eef;
    text-shadow: 1px 1px rgba(0, 0, 0, .4);
}

.modal-hidden {
  display: none;
}