*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.frame{
    width: 400px;
    height: 600px;
    background-color: rgb(99, 99, 99);
    margin: 140px;
    display: flex;
    flex-direction: column;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 3px rgb(59, 59, 59);
}

#display{
    flex: 1;
    background-color: white;
    width: 100%;
    border-radius: 8px;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    border: 5px solid rgb(75, 75, 75);
}

#controls{
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

#clear,
#equals_to{
    width: 100px;
    height: 50px;
    background-color: rgb(255, 156, 214);
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    font-weight: bold;
    box-shadow: 0 5px 3px rgb(59, 59, 59);
}

#very_bottom{
    height: 300px;
    width: 100%;
    display: flex;
    gap: 5px;
}

#numpad{
    flex: 1;
    display: flex;
    flex-direction: column;
}
#operator_pad{
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

#non_zero{
    height: 240px;
    width: 240px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.numbers{
    width: 75px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: yellow;
    font-size: 32px;
    font-weight: bold;
    border-radius: 5px;
    box-shadow: 0 5px 3px rgb(59, 59, 59);
}

#zero{
    height: 60px;
    background-color: yellow;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 5px 5px 0 0;
    font-size: 32px;
    font-weight: bold;
    border-radius: 5px;
    box-shadow: 0 5px 3px rgb(59, 59, 59);
}
.operators{
    width: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: orange;
    font-size: 32px;
    font-weight: bold;
    border-radius: 10px;
    box-shadow: 0 5px 3px rgb(59, 59, 59);
}