* {
    margin: 0;
    padding: 0;
}

body{
    background-color: black;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.calculator{
    margin: 10px;
    background-color: transparent;
    box-shadow: 1px 1px 10px 10px rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid black;
    border-radius: 20px;
    height: 70vh;
    width: 310px;
    text-align: center;
}
h1{
    margin-top: 20px; 
}

#inputtext{
    margin-top: 20px;
    font-size: 20px;
    height: 40px;
    border-radius: 10px;
    box-shadow: 10px 10px 1px rgba(20, 20, 20, 0.5);
    text-align: end;
}
.button{
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-top: 20px;
    font-size: 20px;
    background-color: transparent;
    color: white;
    box-shadow: 10px 1px 10px rgba(255, 255, 255, 0.1);
}
.clear {
    background-color: brown;
}
.equal {
    background-color: darkorange;
}