body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: rgb(48, 48, 48);
    margin: 0;
}

.calculadora {
    background-color: rgb(80, 80, 80);
    padding: 30px;
    border-radius: 30px;
    box-shadow: 0 0 10px, rgba(0, 0, 0, 0.5);
    text-align: center;
    width: 320px;

}

.display {
    background-color: rgba(228, 188, 31, 0.772);
    color: rgb(0, 0, 0);
    font-size: 50px;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 20px;
    min-height: 50px;
    text-align: right;
    font-family: 'Pocket Calculator', sans-serif;

}

.buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.button {
    border: none;
    border-radius: 50%;
    padding: 20px;
    font-size: 1.7em;
    cursor: pointer;
    transition: box-shadow 0.1s ease-in-out;
    box-shadow: rgba(48, 48, 48, 0.639);

}

.button:hover{
    box-shadow: 0px 0px 8px rgba(6, 6, 6, 0.825);

}

.button.dark-gray {
    background-color: rgb(49, 49, 49);
    color: aliceblue;
    box-shadow: black;
}

.button.orange {
    background-color: rgb(242, 158, 1);
    color: aliceblue;
    box-shadow: black;
}

.button.light-gray {
    background-color: rgb(132, 131, 131);
    color: rgb(0, 0, 0);
    box-shadow: black;
}

.button-wide {
    grid-column: 2/ span 1; /* começa na coluna 2 e ocupa 2 colunas */
    border-radius: 50px;
}

.button.orange.equal{
    grid-column:4 ;
    border-radius: 50px;
}