body{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-top: 40px;
    background-color: yellow;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}

/* Calculator */
.calculator{
    width: 400px;
    border: 2px solid black;
    border-radius: 10px;
    justify-content: center;
    align-items: center;
    padding: 15px;
    background: black;
}

.display-container{
    background-color: rgb(131, 127, 127);
    padding: 20px;
    border: 2px solid black;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    flex-direction: column;
    gap: 10px;

}

.computation-display{
    color: rgb(41, 220, 41);
    font-size: 22px;
    height: 29px;
}

.user-display{
    color: white;
    font-size: 28px;
    height: 29px;
}


.calculator-buttons{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 5px;
}

button{
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    font-size: 16px;
    border: 2px solid black;
    font-size: 24px;
}

.active{
    background-color: rgb(97, 97, 97);
}

button:hover{
    background-color: gray;
}

.clear-button{
    grid-column: span 2;
    background-color: red;
}

.equal-button {
    background-color: rgb(45, 45, 218);
}

footer{
    text-align: center;
    font-size: 20px;
}