style.css

*{
    padding: 0;
    margin: 0;
}

#container{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
}
#calculator-container{
    border: 1px solid black;
    width: 23%;
    height: max-content;
    border-radius: 10px;
    background-color: rgba(0,0,0,0.2);
}
@media screen and (max-width:1000px){
    #calculator-container{
        width:39%;
    }
}
button{
    cursor: pointer;
    outline: none;
}
#display{
    height: 50px;
    margin: 4px;
    font-size: 30px;
    text-align: right;
    overflow-y:hidden;
}
.row{
    display: flex;
    justify-content: space-between;
    margin: 25px 4px;

}
#circle{
    justify-content: flex-start;
    width: 50px;
    height: 50px;
    border-radius: 25px;
    background-color: inherit;
    border: none;
    font-size: 20px;
}