#o2-legend {
    position: absolute;
    bottom: 10px;
    left: 10px;
    width: 130px;
    background: rgba(146, 146, 146, 0.8);
    padding: 0;
    border-radius: 5px;
    border: 1px solid #000;
    z-index: 10;
}

#o2-legend label {
    font-size: 10px !important;
    width: 100px !important;
}

#o2-legend table {
    width: 100%;
}

#o2-legend span {
    padding: 0 15px;
    line-height: 18px;
}

#o2-legend img {
    width: 18px;
}

#o2-legend label {
    margin: 0;
}