<style type="text/css">
    /* Style for button */
    #myBtn
    {
        width:80px;
    }

    /* Style for image */
    #myImg
    {
        -webkit-transition: opacity 0.5s ease-in;
        -moz-transition: opacity 0.5s ease-in;
        -o-transition: opacity 0.5s ease-in;
    }
    #myImg.fade-out
    {
        opacity:0;
    }
    #myImg.fade-in
    {
        opacity:1;
    }

    .error{
        color: red;
    }

    .success {
        color: #00BFFF;
        font-size: 250%;
    }

</style>
