body{

    margin:0;
    background:#1e1e1e;
    
    display:flex;
    justify-content:center;
    align-items:center;
    
    height:100vh;
    
    font-family:monospace;
    
    }
    
    .radio{
    
    width:280px;
    background:#111;
    
    padding:15px;
    border-radius:18px;
    
    box-shadow:0 0 20px black;
    
    }
    
    .screen{
    
    background:#ff8c00;
    padding:10px;
    border-radius:6px;
    
    text-align:center;
    
    }
    
    #frequencyDisplay{
    
    font-size:28px;
    font-weight:bold;
    
    }
    
    #status{
    
    font-size:12px;
    
    }
    
    input{
    
    padding:5px;
    border:none;
    border-radius:4px;
    text-align:center;
    
    }
    
    .speaker{
    
    margin:15px 0;
    height:70px;
    
    background:repeating-linear-gradient(
    90deg,
    #000,
    #000 3px,
    #222 3px,
    #222 6px
    );
    
    border-radius:6px;
    
    }
    
    #ptt{
    
    width:100%;
    height:80px;
    
    background:red;
    
    color:white;
    font-size:20px;
    
    border:none;
    border-radius:10px;
    
    }
    
    #ptt:active{
    
    background:#ff4444;
    
    }
    
    @media(max-width:600px){
    
    .radio{
    width:90%;
    }
    
    }