body {
    margin: 0;
    padding: 0;
    font-family: "Lato", sans-serif;
    background-color: #f6f7f9;
  }
  
  h1 {
    margin: 0;
    font-size: 16px;
    line-height: 1;
  }
  
  button {
    color: inherit;
    background-color: transparent;
    border: 0;
    outline: 0 !important;
    cursor: pointer;
  }
  
  button.chatbox-open {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 52px;
    height: 52px;
    color: #fff;
    background-color: #0360a5;
    background-position: center center;
    background-repeat: no-repeat;
    box-shadow: 12px 15px 20px 0 rgba(46, 61, 73, 0.15);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
  
    margin: 16px;
  }
  
  button.chatbox-close {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 52px;
    height: 52px;
    color: #fff;
    background-color: #0360a5;
    background-position: center center;
    background-repeat: no-repeat;
    box-shadow: 12px 15px 20px 0 rgba(46, 61, 73, 0.15);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
  
    display: none;
    margin: 16px calc(2 * 16px + 52px) 16px 16px;
  }
  
  textarea {
    box-sizing: border-box;
    width: 100%;
    margin: 0;
    height: calc(16px + 16px / 2);
    padding: 0 calc(16px / 2);
    font-family: inherit;
    font-size: 16px;
    line-height: calc(16px + 16px / 2);
    color: #888;
    background-color: transparent;
    border: 0;
    outline: 0 !important;
    resize: none;
    overflow: hidden;
  }
  
  textarea::placeholder {
    color: #888;
  }
  
  .chatbox-popup {
    /* chabox-container (mixin) */
    display: flex;
    position: absolute;
    box-shadow: 5px 5px 25px 0 rgba(46, 61, 73, 0.2);
    flex-direction: column;
  
    /* props propias del popup */
    display: none;
    bottom: calc(2 * 16px + 52px);
    right: 16px;
    width: 377px;
    height: auto;
    background-color: #fff;
    border-radius: 16px;
  }
  
  .chatbox-popup .chatbox-popup__header {
    /* chatbox-header (mixin) */
    box-sizing: border-box;
    display: flex;
    width: 100%;
    padding: 16px;
    color: #fff;
    background-color: #0360a5;
    align-items: center;
    justify-content: space-around;
  
    border-top-right-radius: 12px;
    border-top-left-radius: 12px;
  }
  
  .chatbox-popup .chatbox-popup__header .chatbox-popup__avatar {
    margin-top: -32px;
    background-color: #0360a5;
    border: 5px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
  }
  
  .chatbox-popup .chatbox-popup__main {
    /* chatbox-main (mixin) */
    box-sizing: border-box;
    width: 100%;
    padding: calc(2 * 16px) 16px;
    line-height: calc(16px + 16px / 2);
    color: #888;
    text-align: center;
  }
  
  .chatbox-popup .chatbox-popup__footer {
    /* chatbox-footer (mixin) */
    box-sizing: border-box;
    display: flex;
    width: 100%;
    padding: 16px;
    border-top: 1px solid #ddd;
    align-items: center;
    justify-content: space-around;
  
    border-bottom-right-radius: 12px;
    border-bottom-left-radius: 12px;
  }
  
  .chatbox-panel {
    /* chabox-container (mixin) */
    display: flex;
    position: absolute;
    box-shadow: 5px 5px 25px 0 rgba(46, 61, 73, 0.2);
    flex-direction: column;
  
    /* props propias del panel */
    display: none;
    top: 0;
    right: 0;
    bottom: 0;
    width: 377px;
    background-color: #fff;
  }
  
  .chatbox-panel .chatbox-panel__header {
    /* chatbox-header (mixin) */
    box-sizing: border-box;
    display: flex;
    width: 100%;
    padding: 16px;
    color: #fff;
    background-color: #0360a5;
    align-items: center;
    justify-content: space-around;
  
    flex: 0 0 auto;
  }
  
  .chatbox-panel .chatbox-panel__main {
    /* chatbox-main (mixin) */
    box-sizing: border-box;
    width: 100%;
    padding: calc(2 * 16px) 16px;
    line-height: calc(16px + 16px / 2);
    color: #888;
    text-align: center;
  
    flex: 1 1 auto;
  }
  
  .chatbox-panel .chatbox-panel__footer {
    /* chatbox-footer (mixin) */
    box-sizing: border-box;
    display: flex;
    width: 100%;
    padding: 16px;
    border-top: 1px solid #ddd;
    align-items: center;
    justify-content: space-around;
  
    flex: 0 0 auto;
  }