body{
  height:100vh;
}

.subscreen{   
  overflow-y: auto;  
  overflow-x: hidden; 
  border: 1px solid #ccc;
  padding: 10px;
  
  position: absolute;
  top: 13.4%;                 
  left: 33.8%;                
  width: 31.6%;              
  height: 41.6%;       
  
  background-color: white;
  
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.screen{
  position:relative;
  width:100vw;
  display: flex;
  justify-content: center;
  align-items: center;    
  align-items: flex-start; 
  padding-top: 56.25%;
  
  background-image: url("PCPage.png");
  background-repeat: no-repeat;
  background-position: left;
  background-size: cover;
}