@media (min-width: 700px) {
  .small-screen {
    display: none;
  }
}

@media (max-width: 700px) {
  .big-screen {
    display: none;
  }

  body {
    margin: 0;
    font-size: 1.4em;
  }
  
  h1 {
    font-size: 1.5em;
  }
  
  #intro {
    padding: 1.2em;
    margin: 0 auto;
    max-width: none;
  }
  
  #intro p.expand {
    margin: -1.2em;
    margin-bottom: 1.2em;
  }
  
  .flex-parent {
    padding: 0;
    margin: 0;
  }
  
  .flex-bottom {
    width: 100%;
  }
  
  #twttr-widget {
    width: 100%;
  }
  
  #twttr-widget iframe {
    width: 100% !important;
  }
  
  #ctrl{
    width: 100%;
    margin: 0;
    max-height: 80vh;
    box-shadow: 0 -1px 0 0 #eee;
  }
  
  #ctrl p {
    padding-right: 0;
  }
  
  .small-screen-pad-r {
    padding-right: 100px;
  }
  
  #avvy {
    bottom: 100%;
    right: 0;
  }
  
  #avvy.finish {
    bottom: 0;
  }
  
  #avvy, #avvy-intro {
    width: 120px;
    height: 120px;
  }
  
  #avvy-intro {
    right: 0;
    left: auto;
    margin: 0;
  }
  
  #btns {
    position: static;
    bottom: 0;
    width: 100%;
    margin-top: .6em;
    text-align: left;
  }
  
  #btns .button {
    min-width: 0;
  }
  
  .button-menu {
    width: 100%;
    left: 0;
    margin-left: 0;
    bottom: 0;
    box-shadow: 0 -.5em .5em 0 rgba(0,0,0,.1);
  }
}