.main-timeline{
    font-family: 'Poppins', sans-serif;
    padding: 15px 0;
    position: relative;
}
.main-timeline:after{
    content: '';
    display: block;
    clear: both;
}
.main-timeline:before{
    content: "";
    background: #dcdde1;
    width: 10px;
    height: 100%;
    border-radius: 0px;
    transform: translateX(-50%);
    position: absolute;
    top: 0;
    left: 50%;
}
.main-timeline .timeline{
    width: 50.2%;
    padding: 0 0 0 50px;
    margin: 0 0 35px;
    float: right;
    position: relative; 
}
.main-timeline .timeline:before{
    content:"";
    width: 35px;
    height: 35px;
    border: 6px solid #01b9e6;
    border-radius: 50%;
    transform: translateY(-50%);
    position: absolute;
    top: 50%;
    left: -14px;
}
.main-timeline .timeline-content{
    color: #555;
    background-color: #fff;
    /*min-height: 120px;*/
    padding: 15px 15px 15px 50px;
    box-shadow: 0 0 15px -3px rgba(0,0,0,0.2);
    display: block;
    position: relative;
}
.main-timeline .timeline-content:hover{ text-decoration: none; }
.main-timeline .timeline-content:before,
.main-timeline .timeline-content:after{
    content: '';
    background-color: #a5c3ff;
    /*height: 100%;*/
    /*width: 80px;*/
    position: absolute;
    left: 0;
    top: 0;
}
.main-timeline .timeline-content:after{
    height: 40px;
    width: 40px;
    transform: translateY(-50%) rotate(45deg);
    top: 50%;
    left: -13px;
}
.main-timeline .timeline-year{
    color: #01b9e6;
    background: #fff;
    font-size: 30px;
    font-weight: 600;
    text-align: center;
    line-height: 90px;
    width: 110px;
    height: 110px;
    /*border-radius: 50%;
    border: 10px solid #dcdde1;
    box-shadow: 0 0 15px -3px rgba(0,0,0,0.2);*/
    transform: translateY(-50%);
    position: absolute;
    left: -200px;
    top: 50%;
}
.main-timeline .timeline-icon{
    color: #fff;
    font-size: 50px;
    transform: translateY(-50%);
    position: absolute;
    top: 50%;
    left: 15px;
    z-index: 1;
}
.main-timeline .title{
    color: #000000;
    font-size: 22px;
    font-weight: 700;
    text-transform: capitalize;
    margin: 0 0 3px;
}
.main-timeline .description{
    font-size: 13px;
    letter-spacing: 1px;
    margin: 0;
}
.main-timeline .timeline:nth-child(even){
    padding: 0 50px 0 0;
    float: left;
}
.main-timeline .timeline:nth-child(even):before{
    left: auto;
    right: -16px;
}
.main-timeline .timeline:nth-child(even) .timeline-content{ padding: 15px 100px 15px 15px; }
.main-timeline .timeline:nth-child(even) .timeline-content:before{
    left: auto;
    right: 0;
}
.main-timeline .timeline:nth-child(even) .timeline-content:after{
    left: auto;
    right: -13px;
}
.main-timeline .timeline:nth-child(even) .timeline-year{
    left: auto;
    right: -200px;
}
.main-timeline .timeline:nth-child(even) .timeline-icon{
    left: auto;
    right: 15px;
}
.main-timeline .timeline:nth-child(4n+2):before{ border-color: #86afff; }
.main-timeline .timeline:nth-child(4n+2) .timeline-content:before,
.main-timeline .timeline:nth-child(4n+2) .timeline-content:after{
    background-color: #86afff;
}
.main-timeline .timeline:nth-child(4n+2) .timeline-year,
.main-timeline .timeline:nth-child(4n+2) .title{
    color: #000000;
}
.main-timeline .timeline:nth-child(4n+3):before{ border-color: #84C441; }
.main-timeline .timeline:nth-child(4n+3) .timeline-content:before,
.main-timeline .timeline:nth-child(4n+3) .timeline-content:after{
    background-color: #84C441;
}
.main-timeline .timeline:nth-child(4n+3) .timeline-year,
.main-timeline .timeline:nth-child(4n+3) .title{
    color: #84C441;
}
.main-timeline .timeline:nth-child(4n+4):before{ border-color: #8B7ACB; }
.main-timeline .timeline:nth-child(4n+4) .timeline-content:before,
.main-timeline .timeline:nth-child(4n+4) .timeline-content:after{
    background-color: #8B7ACB;
}
.main-timeline .timeline:nth-child(4n+4) .timeline-year,
.main-timeline .timeline:nth-child(4n+4) .title{
    color: #8B7ACB;
}
@media screen and (max-width:767px){
    .main-timeline:before{
        transform: translateX(-50%);
        left: 17px;
    } 
    .main-timeline .timeline,
    .main-timeline .timeline:nth-child(even){
        width: 100%;
        padding: 125px 0 0 65px;
    } 
    .main-timeline .timeline:before,
    .main-timeline .timeline:nth-child(even):before{
        left: 0;
        top: calc(50% + 63px);
    } 
    .main-timeline .timeline-content,
    .main-timeline .timeline:nth-child(even) .timeline-content{
        padding: 15px 15px 15px 100px;
    } 
    .main-timeline .timeline-content:before,
    .main-timeline .timeline:nth-child(even) .timeline-content:before{
        right: auto;
        left: 0;
    }
    .main-timeline .timeline-content:after,
    .main-timeline .timeline:nth-child(even) .timeline-content:after{
        right: auto;
        left: -13px;
    } 
    .main-timeline .timeline-year,
    .main-timeline .timeline:nth-child(even) .timeline-year{
        transform: translateY(0);
        right: auto;
        left: 0;
        top: -125px;
    } 
    .main-timeline .timeline-icon,
    .main-timeline .timeline:nth-child(even) .timeline-icon{
        right: auto;
        left: 15px;
    } 
}
@media screen and (max-width:576px){
    .main-timeline .timeline:before,
    .main-timeline .timeline:nth-child(even):before{
        transform: translateY(0);
        top: 148px;
    }
    .main-timeline .timeline-content,
    .main-timeline .timeline:nth-child(even) .timeline-content{
        padding: 100px 15px 15px;
    }
    .main-timeline .timeline-content:before,
    .main-timeline .timeline:nth-child(even) .timeline-content:before{
        width: 100%;
        height: 80px;
    }
    .main-timeline .timeline-content:after,
    .main-timeline .timeline:nth-child(even) .timeline-content:after{
        transform: translateX(-50%) translateY(0) rotate(45deg);
        top: 20px;
        left: 7px;
    } 
    .main-timeline .timeline-icon,
    .main-timeline .timeline:nth-child(even) .timeline-icon{
        transform: translateX(-50%) translateY(0);
        left: 50%;
        top: 6px;
    } 
}