.bg {
position:fixed;
 height: 100vh;
 width: 100vw;
}

.logbox {
  background-color: rgba(255, 255, 255, 0.33);
  padding: 15px;
  margin-top:10vh;
  margin-bottom:10vh;
  margin-left:20vw;
  margin-right:20vw;
}

.formbox {
  background-color: rgba(255, 255, 255, 0.6);
  margin:10px;
  padding:10px;
}
