body{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    padding: 10px;
    text-align: center;
    background-color: rgb(1, 7, 9);
}
html {
  font-size: 1.44rem;
  line-height: 1.44;
  height: 100%;
}
h4 {
  font-size: 1.777rem;
  color: white;
}
a:link,
a:visited {
  color: rgba(151, 193, 234, 0.85);
  /*transition: color 0.5s;*/
}

a:hover,
a:focus {
  color: rgb(234, 149, 245);
  text-decoration: none;
  /*background-color: rgba(240, 240, 240, 0.15);*/
}
a:active {
  color: rgba(151, 193, 234, 0.85);
}
header { 
    font-family: 'Times New Roman', Times, serif;
    font-size: 20px;
    position: fixed;
  top: 0;
  right: 0;
  padding: 0.5em;
  width: 100%;
  height: 75px;
  display: grid;
  grid-template-columns: 1fr auto;
  background-color: rgb(87, 86, 86);
}

header nav a {
  padding: 0.5em;
  line-height: 1.44rem;
}

main {
  padding: 0.5em;
  margin-top: 125px;
}