bredmm

#get_usd {
    color: #444;
    -webkit-animation: blink .3s;
    -moz-animation: blink .3s;
    animation: blink .3s;
}
@-webkit-keyframes blink { from { color: #eee } }
@-moz-keyframes blink { from { color: #eee } }
@keyframes blink { from { color: #eee } }

$("#checkbox").change(function(){
    $('.checkbox').prop('checked', $(this).is(':checked'));  
})