body {
  background-image: url('Images/background.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: auto;
  background-attachment: fixed;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.centered-text {
  text-align: center;
  padding: 20px;
}

.company-name-text {
  font-family: 'Raleway', sans-serif;
  font-size: 60px;
  margin-top: 60px;
}

@media only screen and (max-width: 767px) and (orientation: portrait) {
  body {
    background-image: url('Images/background_phone.jpg');
    background-position: center top;
  }
  
  .centered-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
  }

  @media (max-width: 500px) {
    .company-name-text {
        margin-top:125px;
    }
  }
}