body{
  background: black;
}
div{
  width: 100vw;
}
.inner{
  width: 250px;
  margin: 0 auto;
  background: white;
}
h1{
  width: 220px;
  margin: 0 auto;
  margin-bottom: 25px;
  font-family: "Comic Sans MS", "Comic Sans", cursive;
}
p, input, span{
  margin: 0 auto;
  font-family: "Comic Sans MS", "Comic Sans", cursive;
}
p, input{
  display: block;
}
p{
  width: 175px;
}
#amount, #tip-percent, #send{
  margin-bottom: 25px;
}
.money{
  width: 70px;
  display: block;
}
.percent{
  width: 110px;
  display: block;
}