.course-modules-list-bg {
    background-color: #eee;
}

.course-module .course-module-number {
    font-size: 20px;
    width: 55px;
    height: 55px;
    line-height: 52px;
    border-radius: 50%;
    border-width: 1px;
    border-style: solid;
    position: relative;
}

.course-module:hover .course-module-number {
    border-color: #fff !important;
}