.carousel-indicators li {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 10px;
    text-indent: 0;
    cursor: pointer;
    border: none;
    border-radius: 50%;
    box-shadow: inset 1px 1px 1px 1px rgba(0,0,0,0.5);    
    <!--background-color: #ffff99;-->
    background-color: grey;
}
.carousel-indicators .active {
    width: 12px;
    height: 12px;
    margin: 10px;
    background-color: #0000ff;
}