* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
  }
  
  h2 {
    font-weight: 100;
  }
  
  nav {
    text-align: center;
    background-color: blueviolet;
    padding: 10px;
    color: white;
  }
  
  .container {
    max-width: 1000px;
    margin: 100px auto 50px;
    padding: 20px;
  }
  
  .chatbox {
    height: 500px;
    list-style: none;
    display: flex;
    flex-flow: column;
    background: #eee;
    border-radius: 6px;
    box-shadow: 1px 0px 10px #eee;
  }
  
  #messagelist {
    flex: 1;
    overflow-y: scroll;
  }
  
  #messagelist .private {
    background: #015e4b;
    color: #fff;
    margin-left: auto;
  }
  
  #messagelist li {
    list-style: none;
    background: white;
    max-width: 400px;
    padding: 10px;
    margin: 10px;
  }
  
  #messagelist p:first-child {
    color: #53bdea;
  }
  
  #messagelist .private p:first-child {
    color: #03c493;
  }
  
  form.Input {
    display: flex;
  }
  
  form.Input input {
    flex: 10;
    padding: 14px 10px;
    border: none;
  }
  
  form.Input button {
    padding: 4px;
    background: teal;
    border: none;
    flex: 1;
    color: white;
    cursor: pointer;
  }
  
  #users {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    height: 100px;
    overflow-y: scroll;
    flex-flow: row;
    padding-top: 20px;
  }
  
  #users li {
    min-width: 100px;
    max-height: 20px;
    border-radius: 10px;
    background: white;
    text-align: center;
    box-shadow: 0px 2px 10px #eee;
  }