html, body { height: 100%; }
div.color-picker {
    border-left: 1px solid #000;
    border-top: 1px solid #000;
    left: 0px;
    top: 0px;
    padding: 0px;
    position: absolute;
    position: relative;
    z-index: 1000;
}
    div.color-picker ul {
        list-style: none;
        padding: 0px;
        margin: 0px;
        float: left;
        position: absolute;
        position: relative;
    }
        div.color-picker ul li {
            display: block;
            width: 15px;
            height: 15px;
            border-right: 1px solid #000;
            border-bottom: 1px solid #000;
            margin: 0px;
            float: left;
            cursor: pointer;
            position: absolute;
            position: relative;
        }