.main-timeline:after{
    content: '';
    display: block;
    clear: both;
}

.main-timeline .timeline{
    width: calc(50% + 200px);
    margin: 0 -50px 25px 5px;
    float: right;
}

.main-timeline .timeline-content{
    color: #555;
    background: #fff;
    padding: 15px 15px 15px 290px;
    border-radius: 20px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
    display: block;
    position: relative;
}

.main-timeline .timeline-content:hover{ text-decoration: none; }

.main-timeline .timeline-content:before{
    content: '';
    background-color: #00A7FB;
    height: 100%;
    width: 120px;
    position: absolute;
    left: 140px;
    top: 0;
}

.main-timeline .timeline-year{
    color: #00A7FB;
    font-size: 20px;
    font-weight: 700;
    line-height: 43px;
    transform: translateY(-50%);
    position: absolute;
    left: 10px;
    top: 51%;
}
.main-timeline .timeline-year .timeline-date{
    color: #00A7FB;
    font-size: 20px;
    font-weight: 700;
    transform: translateY(-50%);
    position: absolute;
    top: 40%;
}

.main-timeline .timeline-icon{
    color: #fff;
    font-size: 50px;
    font-weight: 600;
    text-align: center;
    line-height: 50px;
    width: 120px;
    transform: translateY(-50%);
    position: absolute;
    left: 140px;
    top: 50%;
}

.main-timeline .title{
    font-size: 23px;
    font-weight: 500;
    text-transform: capitalize;
    margin: 0 0 7px;
}

.main-timeline .title span {
    font-size:12px;
}
.main-timeline .description{
    margin: 0;
}

.main-timeline .timeline:nth-child(even){
    margin: 0 5px 25px 0;
    float: left;
}

.main-timeline .timeline:nth-child(even) .timeline-content{ padding: 15px 280px 15px 20px; }

.main-timeline .timeline:nth-child(even) .timeline-content:before{
    left: auto;
    right: 139px;
}

.main-timeline .timeline:nth-child(even) .timeline-year{
    left: auto;
    right: 10px;
}

.main-timeline .timeline:nth-child(even) .timeline-icon{
    left: auto;
    right: 139px;
}


.main-timeline .timeline-primary:before { background-color: #0d6efd; } .main-timeline .timeline-primary .timeline-year{ color: #0d6efd; }

.main-timeline .timeline-secondary:before { background-color: #6c757d; } .main-timeline .timeline-secondary .timeline-year{ color: #6c757d; }
.main-timeline .timeline-success:before { background-color: #198754; } .main-timeline .timeline-success .timeline-year{ color: #198754; }
.main-timeline .timeline-info:before { background-color: #0dcaf0; } .main-timeline .timeline-info .timeline-year{ color: #0dcaf0; }
.main-timeline .timeline-warning:before { background-color: #ffc107; } .main-timeline .timeline-warning .timeline-year{ color: #ffc107; }
.main-timeline .timeline-danger:before { background-color: #dc3545; } .main-timeline .timeline-danger .timeline-year{ color: #dc3545; }
.main-timeline .timeline-light:before { background-color: #f8f9fa; } .main-timeline .timeline-light .timeline-year{ color: #f8f9fa; }
.main-timeline .timeline-dark:before { background-color: #212529; } .main-timeline .timeline-dark .timeline-year{ color: #212529; }

@media screen and (max-width:767px){

    .main-timeline .timeline,
    .main-timeline .timeline:nth-child(even){
        width: 100%;
        margin: 0 0 30px;
    }

    .main-timeline .timeline-content,
    .main-timeline .timeline:nth-child(even) .timeline-content{
        text-align: center;
        padding: 200px 15px 15px 15px;
    }

    .main-timeline .timeline-year {
        left: 17px;
        top: 51%;
    }

    .main-timeline .timeline-content:before,
    .main-timeline .timeline:nth-child(even) .timeline-content:before{
        width: 100%;
        height: 100px;
        transform: translateX(-50%) translateY(0);
        left: 50%;
        right: auto;
        top: 100px;
    }

    .main-timeline .timeline-year,
    .main-timeline .timeline:nth-child(even) .timeline-year{
        transform: translateY(0) translateX(-50%);
        left: 50%;
        right: auto;
        top: 30px;
        font-size: 30px;
    }

    .main-timeline .timeline-icon,
    .main-timeline .timeline:nth-child(even) .timeline-icon{
        width: auto;
        transform: translateY(0) translateX(-50%);
        left: 50%;
        right: auto;
        top: 125px;
    }
}