body {
    padding: 0px;
    margin: 0px;
    height: 100vh;
    background-color: #f5f5f5;
}

header, footer {
    background-color: lavender;
}

.header {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.header img {
    width: 100%;
}

form i {
    font-size: 1.5rem;
}

form input {
    margin-bottom: 0.5rem;
}

.sub-title {
    font-size: 0.74rem;
    text-align: justify;
}

.button-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.button-footer .btn {
    width: 10rem;
}

footer {
    padding: 0.75rem 0.8rem;
}

@media (min-width: 760px)
{
    .header img {
        width: 460px;
    }
}

@media (min-width: 990px)
{
    .header img {
        width: 550px;
    }
}