body {
    background-image: url("jabon.jpg");
    text-align: center;
    font-family: Arial, sans-serif;
    color: white;
    text-shadow: 3px 3px black;
    text-align: center;
}
.barrasup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgb(0, 238, 255);
    color: rgb(255, 255, 255);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    box-shadow: 0 2px 2px rgb(123, 251, 255);
    z-index: 1000;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}