.jumbotron {
    background: url("/images/croppedcat.jpg") center no-repeat;
    text-shadow: 0 0 1em black;
    color: white;
}

* {
   font-size: 16px;
   line-height: 2;
}

.popover_styles,
.popover_styles:hover,
.popover_styles:focus,
.popover_styles:visited {
    text-decoration: none;
    color: gray;
    position: relative;
    top: 8px;
}

.jumbotron {
    background: url("/images/croppedcat.jpg") center no-repeat;
    text-shadow: 0 0 1em black;
    color: white;
}

* {
   font-size: 16px;
   line-height: 2;
}

.popover_styles,
.popover_styles:hover,
.popover_styles:focus,
.popover_styles:visited {
    text-decoration: none;
    color: gray;
    position: relative;
    top: 8px !important;
}

Make top important as to remove hover pulldown
Make top important as to remove hover pulldown

When hovering over a glyphicon question sign on the index page the onhover pulls down the glyphicon and pings back when not