@charset "utf-8"; .chatbot_bg {} #exampleFrame { width: 100%; height: calc(100vh - 51px); } #chatbot_lang { background-color: #f7f8fa; padding: 10px; } #chatbot_lang ul { padding: 0; } #chatbot_lang li { display: inline-block; } #chatbot_lang li button { font-size: 13px; letter-spacing: -1px; border: 1px solid #ddd; padding: 2px 5px; border-radius: 5px; background-color: #fff; }