body {
    background-color: beige;
}

h1,
p {
    text-align: center;
}

.calculator {
    text-align: center;
    background-color: #CEEDC7;
    width: 400px;
    margin-right: auto;
    margin-left: auto;
}

.button-format {
    height: 40px;
    text-align: center;
    border-color: beige;
    border-style: solid;
    background-color: #CEEDC7;
}

.button-format:hover {
    background-color: #86C8BC;
}

.clear-button {
    grid-area: clear-button;
}

.prev-shower {
    height: 2rem;
    width: 400px;
    text-align: right;
    
}

.num-button1 {
    grid-area: num-button1;
}

.num-button-container {
    display: grid;
    grid-area: numerics;
    grid-template-areas:
        "num-button num-button num-button"
        "num-button num-button num-button"
        "num-button num-button num-button"
        "num-button1 num-button1 num-button1 ";
    grid-template-columns: 1fr 1fr 1fr;
    row-gap: 0px;
    column-gap: 0px;
}

.calculator-buttons {
    display: grid;
    width: 450 px;
    height: 450 px;
    grid-template-areas:
        "clear-button clear-button backspace-button divide-button"
        "numerics numerics numerics multiply-button"
        "numerics numerics numerics minus-button"
        "numerics numerics numerics plus-button"
        "numerics numerics numerics equal-button";
    grid-template-columns: 100px 100px 100px 100px;
    row-gap: 0px;
    column-gap: 0px;
}

.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #3C6255;
    color: white;
    text-align: center;
 }