html {
      box-sizing: border-box;
      font-family: "Arial Rounded MT Bold", "Helvetica Rounded", Arial, sans-serif;
    }
    
    *, *:before, *:after {
      box-sizing: inherit;
    }
    
    body {
      margin: 0;
      min-height: 100vh;
      box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
    }
    
    nav {
      position: relative;
      perspective: 600px;
    }
  
    .cool > li > a {
      color: rgb(0, 0, 0);
      text-decoration: none;
      font-size: 20px;
      background: linear-gradient(45deg, hsla(340, 100%, 55%, 1) 0%, hsla(340, 100%, 55%, 0) 70%),
      linear-gradient(135deg, hsla(225, 95%, 50%, 1) 10%, hsla(225, 95%, 50%, 0) 80%),
      linear-gradient(225deg, hsla(140, 90%, 50%, 1) 10%, hsla(140, 90%, 50%, 0) 80%),
      linear-gradient(315deg, hsla(35, 95%, 55%, 1) 100%, hsla(35, 95%, 55%, 0) 70%);
      padding: 10px 20px;
      display: inline-block;
      margin: 20px;
      border-radius: 5px;
    }
  
    nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: center;
    }
  
    .cool > li {
      position: relative;
      display: flex;
      justify-content: center;
    }
  
    .dropdown {
      opacity: 0;
      position: absolute;
      overflow: hidden;
      padding: 20px;
      top: -20px;
      border-radius: 2px;
      transition: all 0.5s;
      transform: translateY(100px);
      will-change: opacity;
      display: none;
    }
  
    .trigger-enter .dropdown {
      display: block;
    }
  
    .trigger-enter-active .dropdown {
      opacity: 1;
    }
    
    .dropdownBackground {
      width: 100px;
      height: 100px;
      position: absolute;
      background: hsla(140, 90%, 50%, 1) 10%;
      border-radius: 4px;
      box-shadow: 0 50px 100px rgba(50,50,93,.1), 0 15px 35px rgba(50,50,93,.15), 0 5px 15px rgba(0,0,0,.1);
      transition: all 0.3s, opacity 0.1s, transform 0.2s;
      transform-origin: 50% 0;
      display: flex;
      justify-content: center;
      opacity:0;
    }
  
    .dropdownBackground.open {
      opacity: 1;
    }
  
    .arrow {
      position: absolute;
      width: 20px;
      height: 20px;
      display: block;
      background: hsla(140, 90%, 50%, 1) 10%;
      transform: translateY(-50%) rotate(45deg);
    }
  
    .bio {
      min-width: 500px;
      display: flex;
      justify-content: center;
      align-items: center;
      line-height: 1.7;
      color: #000;
    }
  
    .dropdown3 {
      justify-content: left;
      text-align: left;
      color: black;
    }
  
    .courses {
      min-width: 300px;
    }
  
    .courses li {
      padding: 10px 0;
      display: block;
      border-bottom: 1px solid rgba(0,0,0,0.2);
    }
  
    .dropdown a {
      text-decoration: none;
      color: #000;
    }
  
    a.button {
      background: black;
      display: block;
      padding: 10px;
      color: white;
      margin-bottom: 10px;
    }

    .nav-masthead .nav-link {
      color: rgba(255, 255, 255, .5);
      border-bottom: .25rem solid transparent;
      padding: 2rem;
    }
    
    .nav-masthead .nav-link:hover,
    .nav-masthead .nav-link:focus {
      border-bottom-color: rgba(255, 255, 255, .25);
    }
    
    .nav-masthead .nav-link + .nav-link {
      margin-left: 1rem;
    }
    
    .nav-masthead .active {
      color: #fff;
      border-bottom-color: #fff;
    }

    footer {
      margin-top: 200px;
    }

    .trap-sleep {
      color: black;
      font-size: 12px;
      text-align: left;
    }

    .easter-egg {
      color: black;
      text-align: left;
    }