.tm-popup {
    position: relative;
    background-color: #fff;
    display: none;
    padding: 20px;
    margin: 0 auto;
}

.mfp-content .tm-popup {
    display: block;
}

.tm-popup-never-show input[type="checkbox"] {
    margin-right: 5px;
    margin-bottom: 0;
    display: inline-block;
    vertical-align: middle;
}

.tm-popup-never-show span {
    display: inline-block;
    vertical-align: middle;
}