body {
    background: rgb(70, 142, 236);
    font: normal 15px Arial;
    align-items: center;
}

header {
    color: white;
    text-align: center;
}

section {
    background: white;
    border-radius: 10px;
    padding: 30px;
    width: 458px;
    margin: auto;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.363);

}

footer {
    color: white;
    text-align: center;
    font-style: ita;
}

.container {
    text-align: center;
    background-color: #2e2e2e;
    padding: 30px;
    border-radius: 10px;
    width: 400px;
}

input {
    padding: 10px;
    margin: 10px;
    border: none;
    font-size: 1em;
    width: 100px;
    text-align: center;
    margin-bottom: 10px;
}

.botoes button {
    padding: 10px 20px;
    font-size: 1em;
    margin-left: 10px;
    cursor: pointer;
    margin: 5px;
    border-radius: 5px;
    background-color: #4caf50;
    color: white;
}

#resultado {
    font-size: 3em;
    margin-top: 20px;
    font-weight: bold;
}