.ce-paste {
    padding: 10px;
    border: 1px solid #55818c;
}
    .ce-paste:empty::before {
        content : attr(data-placeholder);
        color: #5e6475;
    }

    .ce-paste:focus::before{
        opacity: .1;
    }

.ce-paste-plugin__loader {
    background: url("loading.gif") !important;
    opacity: 0.1;
}