* {margin: 0;
padding: 0;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #024059;
}

.calculator-container {
    border: 2px solid #ccc; /* Estilo da borda */
    border-radius: 10px; /* Borda arredondada */
    padding: 10px;
}
.calculadora {
    width: 300px;
    background-color: #026873;
    border: 10px solid white;
    padding: 10px;
    border-radius: 5px;
}

#display {
    width: 100%;
    height: 40px;
    font-size: 24px;
    margin-bottom: 10px;
}

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

button {
    width: 100%;
    height: 40px;
    font-size: 18px;
    background-color: #025940;
    color: white;
    border: solid #03A64A;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}