style.css

span.jenkins {
    background-color: #4a90e2;
    color: white;
    padding: 0.4em;
    vertical-align: middle;
}

span.jenkinsfailed {
    background-color: #ff9191;
    color: white;
    padding: 0.4em;
    vertical-align: middle;
}

img.jenkinslogo {
    height: 2em;
    width: 2em; 
}

img.jenkins {
    height: 1.5em;
    width: 1.5em;
    margin-bottom: 0.3em;
}

a.jenkins, a.jenkins:link, a.jenkins:visited {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-family: "LatoLatinWeb", "Lato", "Helvetica Neue", Helvetica, Arial, sans-serif; 
}

.tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;

    /* Position the tooltip */
    position: absolute;
    z-index: 1; 
}