@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;1,700&display=swap');
:root
{
    --primary-color:#6366f1;
    --dark-grey:#64748b;
    --secondary-color:#a5b4fc;
    --off-white:#e0e7ff;
}
body{
    font-family: 'Montserrat', sans-serif;
    margin:0px;
}

.container
{
    display: flex;
    flex-direction: column;
    width: 70%;
    margin: auto;
}
header
{
    background-color: var(--primary-color);
    text-align: center;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
    color:var(--off-white)
}

table
{
    margin: 1rem 0;
    border-collapse: collapse;
    width: 100%;
}
table,th,td
{
    border: 1px solid var(--primary-color);
    
}
td,th
{
    width: 4rem;
    text-align: center;
}
#btncheck,#btnNext
{
    margin: 1rem Auto;
    padding: 1rem;
    max-width: 50%;
    background-color: var(--primary-color);
    color:var(--off-white);
    border: transparent;
    font-family: inherit;
    border-radius: 1rem;
    display: block;
    
}
#billAmount
{
    margin: 0.5rem auto;
    padding: 1rem;
    text-align: center;
    font-size: larger;
    max-width: 60%;
    border: 1px solid var(--primary-color);
    border-radius: 1rem;
   
}
#cashGiven
{
    display: block;
    margin: 0.5rem auto;
    padding: 1rem;
    text-align: center;
    font-size: larger;
    max-width: 60%;
    border: 1px solid var(--primary-color);
    border-radius: 1rem;
}

.lblText, #errorMsg, #billAmountErrorMsg
{
    display: block;
    margin: 0.5rem auto;
    max-width: 100%;
    text-align: center;
}