* {
    box-sizing: border-box;
  }
  
  body {
    background-color: #6db9df;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    margin: 0;
  }
  
  h1 {
    font-size: 45px;
    color: #252627;
  }
  
  canvas {
    background: #252627;
    display: block;
    border-radius: 5px;
  }
  
  .btn {
    cursor: pointer;
    border: 0;
    padding: 10px 20px;
    background: #000;
    color: #fff;
    border-radius: 5px;
  }
  
  .btn:focus {
    outline: 0;
  }
  
  .btn:hover {
    background: #222;
  }
  
  .btn:active {
    transform: scale(0.98);
  }
  
  .rules-btn {
    position: absolute;
    top: 30px;
    left: 30px;
  }
  
  .rules {
    position: absolute;
    top: 0;
    left: 0;
    background: #333;
    color: #fff;
    min-height: 100vh;
    width: 400px;
    padding: 20px;
    line-height: 1.5;
    transform: translateX(-400px);
    transition: transform 1s ease-in-out;
  }
  
  .rules.show {
    transform: translateX(0);
  }



  footer hr {
    border: 2px solid #707070;
    margin-top: 80px;
  }
  
  footer p{
    text-align: center;
    color: #707070;
    font-size: 1.2rem;
    padding: 30px;
  }
  
  
  
  
  .footer-heart{text-align:center;font-family: open sans, sans-serif;}
  
  .footer-heart a{border-bottom: 1px solid #453886;color: #453886;padding-bottom: .25em; text-decoration: none;}
  
  .footer-heart a:hover{color:#2196f3; background-image: url("data:image/svg+xml;charset=utf8,%3Csvg id='squiggle-link' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' xmlns:ev='http://www.w3.org/2001/xml-events' viewBox='0 0 20 4'%3E%3Cstyle type='text/css'%3E.squiggle{animation:shift .3s linear infinite;}@keyframes shift {from {transform:translateX(0);}to {transform:translateX(-20px);}}%3C/style%3E%3Cpath fill='none' stroke='%23453886' stroke-width='2' class='squiggle' d='M0,3.5 c 5,0,5,-3,10,-3 s 5,3,10,3 c 5,0,5,-3,10,-3 s 5,3,10,3'/%3E%3C/svg%3E");
    background-position: bottom;
    background-repeat: repeat-x;
    background-size: 20%;
    border-bottom: 0;
    padding-bottom: .3em;
    text-decoration: none;}
  
  .emoji{vertical-align: middle;}