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

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

section {
    background: white;
    border-radius: 10px;
    padding: 15px;
    width: 500px;
    margin: auto;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.363);

}

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

#conteudo {
    text-align: center;
}

#frase {
    font-size: 18px;
    margin-bottom: 20px; /* margin a partir de baixo */
}

#button {
    padding: 10px 20px;
    background-color: #468dee;
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover{
    background-color: #2e6cc1;
}

#btnGerar {
    border-radius: 5px;
    background-color: chartreuse;
    padding: 5px 10px;
}