* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    font-family: "Roboto Thin", serif;
}

.block {
    margin-top: 50px;
    width: 1600px;
    height: 100%;
    background: #000;
    align-items: center;
}

@media screen and (max-width: 1600px) {
    .block {
        width: 90%;
    }
}

.bg {
    /* The image used */

    /* Full height */
    height: 100%;
    /* Center et dimensionnez l'image bien */
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;  }

.AlerteP{
    background: #0a53be;
    color: white;
}
.AlerteN{
    background: #1a1c1d;
    color: white;
}
.AlerteR{
    background: #7a001b;
    color: white;
}
.AlerteOF{
    background: #bf5812;
    color: white;
}
.AlerteV{
    background: #88f631;
    color: blue;
}