style.css

* {
    /*margin:0;
    padding:0;*/
}

body {
    font-size:14px;
    color:#666;
    font-family: Trebuchet MS, Verdana, Arial, Helvetica, sans-serif;
    background:-webkit-gradient(linear, 0% 0%, 0% 100%, from(#EEE), to(#DDD));
    text-shadow:1px 1px 0 white;
    overflow-x:hidden;
    margin: 5px;
}

a, a:hover, a:active, a:visited {
    color: #000;
    text-decoration: underline;
}

p {
    font-size: 1em;
}
h1 {
    font-size: 1.5em;
    font-weight: bold;
    padding: 0;
}

#header {
    background:-webkit-gradient(linear, 0% 0%, 0% 100%, from(#EEE), to(#DDD));
    height: 30px;
    line-height: 18px;
    margin:0 0 10px 0;
    padding-left: 10px;
}

.content {
    margin: 0 20px;
    font-size: 14px;
}

input[type=button] {
    padding: 5px;
    background: #eee;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.hidden {
    display: none;
}

.icon {
    float: left;
    margin-right: 10px;
}

.halfWide {
    width: 49%;
}

#timer {
    font-size: 30px;
    font-weight: bold;
    color: #000000;
    width: 100%;
    text-align: center;
}

#customForm {
    display: none;
}

label {
    float: left;
    width: 150px;
    margin-right: 5px;
}

td {
    font-size: 1em;
    padding: 3px;
}

.iconPopup {
    list-style-type: none;
    padding-left: 1.5em;
}

.iconInfo {
    background: url(img/info.png) no-repeat;
}

.iconPreferences {
    background: url(img/preferences.png) no-repeat;
}

.iconReset {
    background: url(img/reset.png) no-repeat;
}

.iconStop {
    background: url(img/stop.png) no-repeat;
}

.popup {
    list-style-type: none;
    display: block;
}

#notificationContent h1 {
    width: 100%;
    text-align: center;
}