header {
    background-image: linear-gradient( rgba(47, 118, 194,0.5), rgba(47, 118, 194,0.2)), url("../assets/bg-seguranca.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* background-attachment: fixed; */
    width: 100%;
    height: 100vh;
    color: rgb(220,220,220);
    font-weight: bold;
    display: flex;
    align-items: center;
    flex-direction: column;
    position: relative;
}