.column {
  float: left;
  width: 33.33%;
  margin-top: -100px;
}
.submit {
visibility: hidden;
}
.button {
    padding: 10px 25px 10px 25px;
    color: red;
    font: 20px;
}
.responsive {
  width: 100%;
  height: auto;
}
#richEditor > div > div > div > div > figure {
    max-width: 1000px;
}
.editor > .DraftEditor-root > .DraftEditor-editorContainer > .public-DraftEditor-content > div > * {
    max-width: 1000px;
}

.LiveField, .LiveFieldSection {
    width: 1000px !important;
}

.LiveField {
    width: 1000px;
}

<script>
    const sections = document.querySelectorAll('.LiveFieldSection');
    const style = "width: 1000px;max-width: 80%;margin: 0px auto;padding-bottom: 15px;padding-top: 15px;";
   
    for (const section of sections) {
        section.style = style;
    }
</script>