body
{
    background-color: rgb(193, 235, 244);
}

/* Heading */
h1
{
    padding: 0px;
    font-size: 50px;
    text-align: center;
    font-family: cursive;
}

/* Calculator Container */
.calculator
{
    border: 3px solid white;
    padding: 10px;
    background-color: black;
    width: 300px;
    margin:auto;
}

#input
{
    height: 60px;
    width:250px;
    margin: 15px;
    font-size: 20px;
    color: white;
    background-color: black;
    border: 2px solid white;
    padding-left: 10px;
}

.btn
{
    width:60px;
    height: 60px;
    color: white;
    background-color: black;
    border-radius: 10px;
    text-align: center;
    font-size: 22px;
    font-weight: bold;
    cursor: pointer;
    margin: 5px;
}

.btn2
{
    background-color:blueviolet;
    border-radius: 10px;
    font-size: 20px;
}

.btn:hover
{
    color: rgb(105, 105, 105);
    transform: scale(1.2);
}

.btn2:hover
{
    color:black;
    background-color:blueviolet;
    border-radius: 10px;
    transform: scale(1);
}

/* Footer */
footer 
{
    text-align: center;
}