.confirm_selection {
    -webkit-transition: text-shadow 1s linear;
    -moz-transition: text-shadow 1s linear;
    -ms-transition: text-shadow 1s linear;
    -o-transition: text-shadow 1s linear;
    transition: text-shadow 1s linear;

}
.confirm_selection:hover,
.confirm_selection.glow {
    text-shadow: 0 0 10px white;
}