* {
    margin: 0;
    padding: 0;
}

#calculator {
    border: 1px solid black;
    width: 230px;
    height: 326px;
    margin: 15px;
    border-radius: 3%;
    background-color: rgb(28, 21, 21);
}

#display {
    height: 40px;
    width: 90%;
    margin: 10px;
    box-sizing: border-box; 

}

.cal-button {
    /* gap: 15px; */
    display: flex;
    flex-wrap: wrap;
    padding:15px;
    justify-content: space-between;
    box-sizing: border-box;

}
.num-button{
    height: 45px;
    width: 45px;
    border-radius: 50%;
    font-size: 18px;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
    margin: 2px;
    background-color: black;
    color: aliceblue;
    
}