iOS notify count

HTML

<div class="notify-count">1</div>

CSS

body {
    background: #333;
    margin: 20px;
}
.notify-count {
    width: 35px;
    height: 35px;
    text-align: center;
    line-height: 2em;
    display:inline-block;
    border-radius: 50%;
    color: white;
    font-weight: bold;
    border: 2px solid white;
    font-family: 'Helvectica Neue';
    box-shadow: inset 0 0 7px rgba(0,0,0,0.8);
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    -webkit-box-sizing: border-box;
    -webkit-user-select: none;
    cursor: pointer;
    background: #eb9a9c; /* Old browsers */
    background: -moz-linear-gradient(top,  #eb9a9c 0%, #ea6c6f 50%, #e93f40 51%, #db1f19 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#eb9a9c), color-stop(50%,#ea6c6f), color-stop(51%,#e93f40), color-stop(100%,#db1f19)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top,  #eb9a9c 0%,#ea6c6f 50%,#e93f40 51%,#db1f19 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top,  #eb9a9c 0%,#ea6c6f 50%,#e93f40 51%,#db1f19 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top,  #eb9a9c 0%,#ea6c6f 50%,#e93f40 51%,#db1f19 100%); /* IE10+ */
    background: linear-gradient(to bottom,  #eb9a9c 0%,#ea6c6f 50%,#e93f40 51%,#db1f19 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#eb9a9c', endColorstr='#db1f19',GradientType=0 ); /* IE6-9 */
}

JavaScript

var count = 1;
setInterval(function(){
    count++;
    $('.notify-count').html(count);
    count==9&&(count=0);
},300);