body > .modal,
#exdi-modal {
    position: fixed;
    z-index: 1050;
}

body > .modal > *,
#exdi-modal > * {
    position: relative;
}

body > .modal:before,
#exdi-modal:before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100vw;
    width: 100%;
    min-height: 100vh;
    height: 100%;
    background: rgba(0,0,0,0.5);
}