@font-face {
    font-family: '';
    src: url('');
}

html {
  height: 100%;
  background: url("images/background.jpg") no-repeat top center fixed;
 -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  position: relative;
  font-family: 'Fira Sans', sans-serif;
}

h1 {
  font-size: 50px;
  text-transform: uppercase;
  line-height: 1.25;
}

h3 {
  font-size: 30px;
  line-height: 1.4;
}

.main-text {
  text-align: center;
  position: absolute;
  left: 50%;
  transform: translate(-50%, 10%);
  color: white;
  text-shadow: -1px 0 black, 0 1px black, 1px 0 black, 0 -1px black;
  background-color: rgba(0, 0, 0, 0.6);
  padding: 30px;
}

.credits a {
  text-align: center;
  font-size: 14px;
  color: white;
  text-decoration: none;
}

.credits a:hover {
  text-decoration: underline;
}

@media only screen and (max-width: 1366px)
{

.main-text {
  left: 20%;
  transform: translate(-12%, 10%);
}

}

@media only screen and (max-width: 1025px)
{

h1 {
  font-size: 35px;
}

h3 {
  font-size: 20px;
}

@media only screen and (max-width: 435px)
{

h1 {
  font-size: 26px;
}

h3 {
  font-size: 16px;
}