body{
    font-family: Tahoma;
    font-size: 1.3rem;
}
a{
    color: #0000ff;
}
#bkcode{
    background-color: #f5f4f2;
    
    font-family: Tahoma;
    font-size: 1.2rem;
    padding: 10px;
}
#code{
    max-width: 600px;
    min-height: 200px;
   
}
textarea{
  
width: 90%;
min-height: 400px;
   
}
/* style copy button */
#mbtn {
    background-color: #000000; 
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin-bottom: 5px;
    cursor:pointer;
    font-weight: bold;
  }