@media screen and (max-width: 515px) {
    .mce-window {
        max-width: 320px !important;
        left: calc(50% - 160px) !important;
    }
    .mce-window-body {
        max-width: 100% !important;
        min-height: 230px !important;
    }
    .mce-container.mce-panel.mce-abs-layout-item,
    .mce-container.mce-panel.mce-abs-layout-item .mce-container-body.mce-abs-layout {
        max-width: 100% !important;
        min-height: 190px !important;
    }
    .mce-flow-layout {
        text-align: center !important;
    }
    .mce-flow-layout-item.mce-btn-group {
        border-left: none !important;
    }
    .mce-panel,
    .mce-panel > .mce-container-body,
    .mce-foot,
    .mce-foot > .mce-abs-layout {
        max-width: 320px !important;
        text-align: center;
    }
    .mce-formitem {
        width: 300px !important;
        left: 10px !important;
        display: block !important;
    }
    .mce-formitem:nth-child(2) {
        top: 10px !important;
    }
    .mce-formitem:nth-child(3) {
        top: 50px !important;
    }
    .mce-formitem:nth-child(4) {
        top: 90px !important;
    }
    .mce-formitem:nth-child(5) {
        top: 130px !important;
    }
    .mce-formitem:nth-child(6) {
        top: 170px !important;
    }
    .mce-container.mce-form.mce-abs-layout-item .mce-container-body.mce-abs-layout .mce-container.mce-form.mce-abs-layout-item {
        top: 40px !important;
        left: 0 !important;
        height: 160px !important;
    }
    .mce-formitem label {
        width: 106px !important;
        font-size: 13px !important;
        left: 0px !important;
    }
    .mce-multiline {
        max-width: 290px !important;
    }
    .mce-checkbox {
        top: 40px !important;
        left: 0 !important;
    }
    .mce-label {
        font-size: 13px !important;
    }
    .mce-foot .mce-btn-has-text {
        position: relative !important;
        top: 0 !important;
        left: 0 !important;
        display: inline-block !important;
        margin: 10px 5px !important;
    }
    .mce-abs-layout-item input {
        max-width: 150px !important;
    }
    .mce-abs-layout-item.mce-has-open input {
        max-width: 118px !important;
    }
}