body{
    background-color: hsl(229, 64%, 20%);
    display: flex;
    justify-content: center;
    align-content: center;
}
.calc{
    font-family: Arial, sans-serif;
    background-color: hsl(0, 0%, 10%);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;

    border-radius: 20px;
    max-width: 500px;
    overflow: hidden;
}
#display{
    width: 100%;
    padding: 20px;
    font-size: 5rem;
    text-align: left;
    border: none;
    background-color: hsl(0, 0%, 5%);
    color: white;
}
.buttons{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    padding: 10px;

}
.orgBtn{
    background-color: hsl(39, 100%, 50%);
}
.orgBtn:hover{
    background-color: hsl(39, 100%, 68%);
}
button{
    width: 80px;
    height: 80px;
    border-radius: 50px;
    border: none;
    
    background-color: hsl(0, 0%, 20%);
    color: white;
    font-size: 3rem;
    font-weight: bold;
    cursor: pointer;
    transition: all .5s ease;
}
button:hover{
    background-color: hsl(0, 0%, 40%);
}