html, body{
  font-family: sans-serif;
}
.content{
  width: 450px;
}
.content .roo-logo{
  width: 100%;
  max-width: 350px;
}
.content .app-link{
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
}
.content .msg{
  font-size: 1.7rem;
  letter-spacing: 1px;
}
@media screen and (max-width: 768px) {
  .content .msg{
    line-height: 2vw;
    font-size: 2vw;
  }
}
@media screen and (max-width: 768px) and (orientation: landscape) {
  .content .msg{
    line-height: 2vh;
    font-size: 2vh;
  } 
}