*{
    margin:0;
}
body{
    margin:0;
}
.container{
    margin:auto;
    width:100%;
    max-width:500px;
    padding: 1rem;
    text-align: center;
    background-color:#1F2937;
    color:white;
  
    
}
h2,h3{
    padding:1rem;
    font-weight: bold;
}
.container p{
    padding: 1rem;
    font-weight: 550;
}
.input{
    width: 70%;
    padding:0.8rem;
    margin:0.5rem;

}
.button{
    background-color: #6B7280;
    font-weight: bold;
    display:block;
    margin:1rem auto;
    padding:0.6rem 1rem;
    border-radius: 0.5rem;
    border:1px solid black;


}

#errorDisplay{
    margin-top: 1rem;
    font-size: bold;
    font-weight:550;
}

 .cash-paid{
    display:none;
} 
.return {
    display:none;
} 
.noOfNotes{
    background-color: white;
    color:black;
    font-weight: bold;
}

table{
 padding:1rem;
 margin:auto;
}

th{
    border: 2px solid black;
    background-color:#6B7280;
    padding:0.5rem;
}

td{
    border: 1px solid black;
    padding:1rem;
    width:2rem;
    height: 2rem;
    background-color: #6B7280;
    
}