body {
  text-align: center;
  justify-content: center;
  align-items: center;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  background: rgb(17, 17, 17);
  color: white
}
img {
  height: 300px;
}
.virus {
  background: #333333;  /* fallback for old browsers */
  background: -webkit-linear-gradient(to top, #dd1818, #333333);  /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to top, #dd1818, #333333); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */;
  border-radius: 500px;
  border: 5px 5px white;
  box-shadow: 15px 15px black;
}
h4 {
  align-items: center;
}
a {
  align-items: center;
}