SillyTavern/public/scripts/extensions/regex/style.css

.regex_settings .menu_button {
    width: fit-content;
    display: flex;
    gap: 10px;
    flex-direction: row;
}

.regex-script-container {
    margin-top: 10px;
    margin-bottom: 10px;
}

.regex-script-label {
    align-items: center;
    border: 1px solid var(--SmartThemeBorderColor);
    border-radius: 10px;
    padding: 0 5px;
    margin-top: 1px;
    margin-bottom: 1px;
}