    .main-timeline-section {
    position: relative;
    width: 80%;
    margin: auto;
    height: 300px;
}

.main-timeline-section .timeline-start,
.main-timeline-section .timeline-end {
    position: absolute;
    background: rgb(110, 95, 242);
    border-radius: 100px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
}

.main-timeline-section .timeline-end {
    right: 0px;
}

.main-timeline-section .conference-center-line {
    position: absolute;
    width: 100%;
    height: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: rgb(110, 95, 242);
}

.timeline-article {
    width: 20%;
    position: relative;
    min-height: 300px;
    float: right;
}

.timeline-article .content-date {
    position: absolute;
    top: 35%;
    left: -30px;
    font-size: 18px;
}

.timeline-article .meta-date {
    position: absolute;
    top: 50%;
    left: 0px;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border-radius: 100%;
    background: #fff;
    border: 1px solid rgb(110, 95, 242);
}

.timeline-article .content-box {
    box-shadow: 2px 2px 4px 0px #c1c1c1;
    border: 1px solid rgb(110, 95, 242);
    border-radius: 5px;
    background-color: #fff;
    width: 180px;
    position: absolute;
    top: 60%;
    left: -80px;
    padding: 10px;
}

.timeline-article-top .content-box:before {
    content: " ";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -20px;
    border: 10px solid transparent;
    border-bottom-color: rgb(110, 95, 242);
}

.timeline-article-bottom .content-date {
    top: 59%;
}

.timeline-article-bottom .content-box {
    top: 0%;
}

.timeline-article-bottom .content-box:before {
    content: " ";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -20px;
    border: 10px solid transparent;
    border-top-color: rgb(237, 95, 242);
}


/******************************************************************************/

.main-timeline .timeline {
    text-align: center;
    padding: 0;
}

.main-timeline .timeline-icon {
    padding: 45px 0 35px;
    background: #e67e49;
    border-radius: 0 0 50% 50%;
}

.main-timeline .timeline-icon i {
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    background: #fff;
    font-size: 45px;
}
.costum i {
    width: 80px;
    height: 80px;
    line-height: 80px;
    background: #fff;
    font-size: 45px;
}
.costum i.fa {
    font-size: 36px;
    color: #e35d0f;
    padding-bottom: 10px;
}

.main-timeline .timeline-content {
    padding: 0 10px 20px;
}
.main-timeline .year {
    font-size: 16px;
    font-weight: bold;
    color: #e67e49;
}
.main-timeline .post {
    font-size: 18px;
    font-weight: bold;
    color: #000;
}
.main-timeline .description {
    font-size: 14px;
    color: #555;
}
.main-timeline .timeline:nth-child(2n) .timeline-icon {
    padding: 35px 0 45px;
    border-radius: 50% 50% 0 0;
}
.main-timeline .timeline:nth-child(2n) .timeline-content {
    padding: 20px 10px 0;
}

.main-timeline .timeline:nth-child(2n) .timeline-icon {
    background: #9f84c4;
}

.main-timeline .timeline:nth-child(3n) .timeline-icon {
    background: #f35958;
}

.main-timeline .timeline:nth-child(4n) .timeline-icon {
    background: #58b25e;
}

.main-timeline .timeline:nth-child(2n) .year {
    color: #9f84c4;
}

.main-timeline .timeline:nth-child(3n) .year {
    color: #f35958;
}

.main-timeline .timeline:nth-child(4n) .year {
    color: #e67e49;
}

@media only screen and (max-width: 990px) {
    .main-timeline .timeline {
        margin-bottom: 20px;
    }
}

.circle-costum{
    width: 140px;
    height: 140px;
    line-height: 140px;
    background:#66c7bd;
    font-size: 20px;
    color: white;
    border-radius: 50%;
}
.circle-costum-parent{
    width: 210px;
    height: 210px;
    line-height: 210px;
    background: #5cbeb6;
    font-size: 45px;
    padding: 35px;
    border-radius: 50%;
}