.caixa {
    margin-bottom: 10px;
    width: -50%;
}

.white-bg {
    background-color: rgba(255, 255, 255, 0.95);
}

.title {
    text-align: center;
    font-size: 4rem;
}

p {
    text-align: center;
}

.border-danger,
.border-botton,
.btn-send:hover {

    transition: all 0.4s ease-in-out;
}

.btn-send:hover {
    box-shadow: 5px 5px 14px 5px rgba(240, 89, 2, 0.2);
}

.btn-send {
    margin: 10px;
}