.t-form__successbox {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    height: 0 !important;
    width: 0 !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
}
.t1148__scroll-icon-wrapper {
    mix-blend-mode: normal !important;
}
html {
    /* укажи цвет фона html */
    background: #00000;
}