header {
    height: 100px;
    text-align: left;
    display: flex;
    justify-content: space-between;
    color: white;
    background-color: rgba(27, 27, 27, 0.733);
    padding-bottom: 10px;
    margin-bottom: 10px;
}

#img_fidel {
    height: 100px;
    margin-top: 5px;
    margin-left: 5px;
}

#title_fidel {
    
}

#days_fidel {
    display: flex;
    margin-right: 5px;
}

footer {
    width: 100%;
    background-color: rgb(0, 0, 0, 0.5);
    position: fixed;
    bottom: 0;
    display: flex;
    justify-content: center;
}
footer h1 {
    color: white;
    margin: 10px;
}