.circle-group {
    box-sizing: border-box;
    position: relative;
    height: 100%;
}

.circle-group .ab-box {
    width: 100%;
    position: absolute;
    bottom: -12%;
    padding: 0 50px;
}

.circle-group .circle-item {
    border: 10px solid #fff;
    background-color: #f6f6f6;
    padding: 20px;
    border-radius: 50%;
    width: 180px;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    text-align: center;
}

.center-img {
    padding-top: 200px;
}

.center-img .container {
    height: 400px;
    padding: 0;
}

.center-img .container .col-xs-6,
.center-img .container .col-xs-12 {
    padding: 0;
}

.center-img .center-img-right {
    text-align: center;
    background-color: #f6f6f6;
    height: 100%;
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.project-benefits {
    background-color: #fff;
    padding-bottom: 50px;
}

.user-usage {
    background-color: #f6f6f6;
}

.user-usage .text-center {
    padding-bottom: 50px;
}