body{
  font-size: 6em;
  text-align: center;
}

h2{
  font-size: 32px;
  font-weight: bold;
  border: 2px solid gray;
}

.rule{
font-size: 24px;
margin: 0 auto;
padding: 0;
}
.explain{
  font-weight: bold;
  text-decoration: underline;
  margin: 0;
}

.second{
  color: black;
}

#count{
  margin: 0;
  font-weight: bold;
  color: #888;
}

#quitButton{
  display: none;
  font-size: 40px;
  margin: 20px auto;
}


#wrap{
  margin-top: 20px;
  padding: 10px 10px;
  background-color: blue;
  font-weight: bold;
  color: #fff;
}

#start{
  font-size: 40px;
}

#startButton{
  display: block;
  font-size: 20px;
  margin-left: 80px;
}




span{
  transition: all 300ms 0s ease;
}

.add-color{
  font-size: 0.5em;
  color:red;
}

ol{
  counter-reset: li;
  display: inline-block;
margin: 20px 0 0 50px;
}

li{
  position: relative;
  font-size: 20px;
  padding-left: 30px;
  margin: 0 0 10px;
  list-style: none;
  text-align: left;
}

li::before{
  position: absolute;
  top: 0;
  left: 0;
  font-weight: bold;
  color: #f00;
  counter-increment: li;
  content: counter(li)'.';
}




.footer{
  height: 180px;
  padding-top: 10px;
  margin-top: 40px;
  padding-bottom: 0;
  background-color: #888;
  color: #fff;
  
}

.footer-p{
  font-size: 20px;
  padding: 0;
  margin: 0;

}

.footer-h3{
  font-size: 18px;
  margin: 10px;
}


.footer-a{
  font-size: 24px;

}

.footer-span{
  font-size: 14px;
}