body {
  background-color: black;
  color: white;
  font-family: "Source Code Pro", monospace;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
}
.out{
  height: 400px;
  display: flex;           /* establish flex container */
  flex-direction: column;  /* make main axis vertical */
  justify-content: center; /* center items vertically, in this case */
  align-items: center;     /* center items horizontally, in this case */
}
.in {
}
a.no-style {
  color: white;
  -webkit-text-decoration: none;
  text-decoration: none;
}