Apply color to Webpart title in sharepoint

<style>
#WebPartTitleWPQ7
{
background-color:#00417C !important;
}
#WebPartTitleWPQ7 h2
{
color:white !important;
font-weight:bold !important;
padding:8px 0px 8px 4px !important;
font-size: 14px;
}
</style>