*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: black;
}
.container{
    display: flex;
    justify-content: center;
    align-items: center;
}
.calculator{
    height: 100vh;
    padding: 1rem;
    background-image: linear-gradient(120deg,white,rgb(100, 100, 254),blue);
}
#display{
    width: 17rem;
    padding: 10px;
    height: 4rem;
    color: rgb(255, 255, 255);
    font-size: 2rem;
    font-weight: 20;
    font-family: monospace;
    border: none;
    background-image: linear-gradient(120deg,rgb(203, 165, 249),rgb(134, 134, 244));
}
input{
    width: 4.1rem;
    height: 4rem;
    border-radius: 10px;
    background-color: rgb(142, 139, 139);
    color: white;
    font-size: larger;
    font-weight: bold;
    border: none;
    margin-top: 10px;
}
input:hover{
    background-color:rgb(126, 124, 124) ;
}
.ac{
    width: 8.5rem; 
    background-color: orange;
}
.orange{
    background-color: orange;
}
.red{
    background-color: red;
}
.ac:hover,.orange:hover{
    background-color: rgb(247, 175, 42);
}
.red:hover{
    background-color: rgb(243, 24, 24);
}
h2{
    color: whitesmoke;
    font-family: monospace;
    text-align: center;
}
span{
    color: rgb(244, 241, 247);
    font-family: 'Courier New', Courier, monospace;
}