* {
    box-sizing: border-box;
  }
  
  html {
    height: 150%;
  }
  
  body {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    font-family: "Open Sans", sans-serif;
    text-transform: uppercase;
    color: rgb(46, 42, 42);
    font-size: 16px;
    text-align: center;
    background-image: #fff;
    font-family: "Open Sans", sans-serif;
    margin-top: 3rem;
  }
  
  .attendees {
    font-weight: bold;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  .container {
    width: 90%;
    max-width: 1000px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 1.5em;
  }
  
  .hide {
    display: none;
  }
  
  header {
    width: 100%;
  }
  
  h1 {
    font-size: 2.25em;
    font-family: "Oswald", sans-serif;
  }
  
  .add-guest,
  .guest-list-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .add-guest {
    margin-top: 1em;
  }
  
  .add-guest label {
    margin-bottom: 1em;
  }
  
  .add-guest input {
    padding: 0.25em;
  }
  
  .fa-envelope {
    color: #ccc;
  }
  
  button {
    align-self: center;
    margin: 2em 0;
    padding: 0.5em 1.5em;
    color: #fff;
    font-size: 1em;
    text-transform: uppercase;
    font-weight: bold;
    border: none;
    cursor: pointer;
    background-color: tomato;
  }
  
  button:hover {
    filter: brightness(85%);
  }
  
  button:active {
    transform: scale(0.98);
  }
  
  input {
    border: 1px solid #292929;
  }
  
  input:focus {
    border: 2px solid;
    background-color: mintcream;
  }
  
  .guest-list {
    color: #292929;
  }
  
  .assigned-items li {
    margin: 0.45em 0;
    background-color: #fff;
    color: tomato;
    font-weight: bold;
    color: 292929;
  }
  
  .guest-list,
  .assigned-items {
    width: 100%;
    list-style: none;
    padding: 0;
  }
  
  .guest-list li,
  .assigned-items li {
    padding: 0.5em 0;
  }
  
  .items-list-container {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1em 0;
  }
  .assigned-items {
    width: 100%;
    max-width: 400px;
  }
  
  footer {
    width: 100%;
    padding: 2em 0;
  }
  @media screen and (min-width: 800px) {
    .container {
      justify-content: space-between;
    }
  
    .guest-list {
      width: 70%;
    }
  }