.material-icons.md-18 {
  font-size: 18px;
}

.material-icons.md-24 {
  font-size: 24px;
}

.material-icons.md-36 {
  font-size: 36px;
}

.material-icons.md-48 {
  font-size: 48px;
}

.icon img {
  width: 38px;
  height: 38px;
  float: left;
  margin-right: 10px;
}

span img {
  width: 48px;
  height: 48px;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family:Helvetica;
}

h4 {
  text-align: center;
  color: red;
  margin: 100px;
  font-size: xx-large;
  justify-content: space-between;
}

.credit {
  width: 500px;
  height: 300px;
  align-items: center;
}

header {
  background-color: #262626;
}

body {
  background-color: #09243f;
  color: white;
}