.fundo-red {
    display: inline-block;
    font-size: 16px;
    padding: 5px 50px;
    color: #ffffff;
    font-weight: 500;
    background: #ff4747;
    border: none;
    border-radius: 5px;
}
.fundo-red:hover {
    background: #c43e3e;
}
.fundo-green {
    display: inline-block;
    font-size: 16px;
    padding: 5px 50px;
    color: #ffffff;
    font-weight: 500;
    background: #00ab69;
    border: none;
    border-radius: 5px;
}
.fundo-green:hover {
    background: #218838;
}
.fundo-yellow {
    display: inline-block;
    font-size: 16px;
    padding: 5px 50px;
    color: #000000;
    font-weight: 500;
    background: #ffc107;
    border: none;
    border-radius: 5px;
}
.fundo-yellow:hover {
    background: #e0a800;
}