code: def make_css_base() -> str:
      return """
      #col_container {margin-left: auto; margin-right: auto; text-align: left;}
  
      @import url('https://fonts.googleapis.com/css2?family=Source+Sans+Pro:wght@400;600&display=swap');
      
      body.dark{#warning {background-color: #555555};}
      
      #sidebar {
          order: 1;
          
          @media (max-width: 463px) {
            order: 2;
          }
      }
      
      #col-tabs {
          order: 2;
          
          @media (max-width: 463px) {
            order: 1;
          }
      }
      
      #small_btn {
          margin: 0.6em 0em 0.55em 0;
          max-width: 20em;
          min-width: 5em !important;
          height: 5em;
          font-size: 14px !important;
      }
      
      #prompt-form {
          border: 1px solid var(--primary-500) !important;
      }
      
      #prompt-form.block {
          border-radius: var(--block-radius) !important;
      }
      
      #prompt-form textarea {
          border: 1px solid rgb(209, 213, 219);
      }
      
      #prompt-form label > div {
          margin-top: 4px;
      }
      
      button.primary:hover {
          background-color: var(--primary-600) !important;
          transition: .2s;
      }
      
      #prompt-form-area {
          margin-bottom: 2.5rem;
      }
      .chatsmall chatbot {font-size: 10px !important}
      
      .gradio-container {
          max-width: none !important;
      }
      
      div.message {
          padding: var(--text-lg) !important;
      }
      
      div.message.user > div.icon-button {
          top: unset;
          bottom: 0;
      }
      
      div.message.bot > div.icon-button {
          top: unset;
          bottom: 0;
      }
      
      #prompt-form-row {
          position: relative;
      }
      
      #microphone-button {
          position: absolute;
          top: 14px;
          right: 125px;
  
          display: flex;
          justify-content: center;
          border: 1px solid var(--primary-500) !important;
  
          @media (max-width: 563px) {
            width: 20px;
          }
      }
  
      #microphone-button > img {
          margin-right: 0;
      }
  
      #add-button {
          position: absolute;
          top: 14px;
          right: 75px;
          
          display: flex;
          justify-content: center;
          border: 1px solid var(--primary-500) !important;
          
          @media (max-width: 563px) {
            width: 40px;
          }
      }
      
      #add-button > img {
          margin-right: 0;
      }
  
      #attach-button {
          position: absolute;
          top: 14px;
          right: 20px;
          
          display: flex;
          justify-content: center;
          border: 1px solid var(--primary-500) !important;
          
          @media (max-width: 563px) {
            width: 40px;
          }
      }
      
      #attach-button > img {
          margin-right: 40;
      }
      
      #prompt-form > label > textarea {
          padding-right: 0px;
          
          @media (max-width: 563px) {
            min-height: 94px;
            padding-right: 0px;
          }
      }
  
      #multi-selection > label > div.wrap > div.wrap-inner > div.secondary-wrap > div.remove-all {
          display: none !important;
      }
      
      #multi-selection > label > div.wrap > div.wrap-inner > div.token {
          display: none !important;
      }
      
      #multi-selection > label > div.wrap > div.wrap-inner > div.secondary-wrap::before {
          content: "Select_Any";
          padding: 0 4px;
          margin-right: 2px;
      }
  
      #single-selection > label > div.wrap > div.wrap-inner > div.secondary-wrap > div.remove-all {
          display: none !important;
      }
  
      #single-selection > label > div.wrap > div.wrap-inner > div.token {
          display: none !important;
      }
  
      #single-selection > label > div.wrap > div.wrap-inner > div.secondary-wrap::before {
          content: "Select_One";
          padding: 0 4px;
          margin-right: 2px;
      }
  
      #langchain_agents > label > div.wrap > div.wrap-inner > div.secondary-wrap > div.remove-all {
          display: none !important;
      }
  
      #langchain_agents > label > div.wrap > div.wrap-inner > div.token {
          display: none !important;
      }
  
      #langchain_agents > label > div.wrap > div.wrap-inner > div.secondary-wrap::before {
          content: "Select";
          padding: 0 4px;
          margin-right: 2px;
      }
      """
  
label_desc: Use image node_id 2 for calling a global function with example usage: make_css_base() and returns: str