.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);

}
.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    text-align: center;
}
/*для placeholder js*/
.redaktor.placeholder::before {
    content: attr(data-placeholder);
    color: #aaa;
    pointer-events: none; /* чтобы не мешал кликам */
}
.redaktor.placeholder-focused::before {
    opacity: 0.5;
}