.main-timeline{
    font-family: 'Poppins', sans-serif; 
    position: relative;
}
.main-timeline:before{
    content: '';
    height: 100%;
    width: 2px;
    border: 3px dashed #999;
    transform: translateX(-50%);
    position: absolute;
    left: 50%;
    top: 0;
}
.main-timeline:after{
    content: '';
    display: block;
    clear: both;
}
.main-timeline .timeline{
    width: 50.05%;
    display:inline-block;
    float: left;
    position: relative;
    z-index: 1;
}
.main-timeline .timeline:before,
.main-timeline .timeline:after{
    content: '';
    background-color: #f54957;
    height: 25px;
    width: 25px;
    border-radius: 50%;
    transform: translateY(-50%);
    position: absolute;
    top: 50%;
    right: -12px;
}
.main-timeline .timeline:after{
    height: 17px;
    width: 100px;
    border-radius: 0;
    right: 0;
}
.main-timeline .timeline-content{
    text-align: right;
    min-height: 155px;
    padding: 20px 230px 15px 12px;
    display:block;
}
.main-timeline .timeline-content:hover{ text-decoration: none; }
.main-timeline .timeline-year{
     
    /**/
    
    width: 120px;
    height: 120px;
    line-height: 100px;
    border-radius: 50%;
    border: 10px solid #f54957;
    font-size: 30px;
    color: #f54957;
    transform: translateY(-50%);
    text-align: center;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, .4);
    position: absolute;
    top: 50%;
    right: 100px;
    z-index: 1;
}
.main-timeline .title{
    color: #f54957;
    font-size: 23px;
    font-weight: 500;
    text-transform: capitalize;
    letter-spacing: 1px;
    margin: 0 0 5px;
}
.main-timeline .description{
    color: #101010;
    font-size: 16px;
    text-align: justify;
    letter-spacing: 0.5px;
    margin: 0;
}
.main-timeline .timeline:nth-child(even){ float: right; }
.main-timeline .timeline:nth-child(even):before{
    right: auto;
    left: -12px;
}
.main-timeline .timeline:nth-child(even):after{
    right: auto;
    left: 0;
}
.main-timeline .timeline:nth-child(even) .timeline-content{
    padding: 20px 12px 15px 230px;
    text-align: left;
}
.main-timeline .timeline:nth-child(even) .timeline-year{
    right: auto;
    left: 100px;
}
.main-timeline .timeline:nth-child(5n+2):before,
.main-timeline .timeline:nth-child(5n+2):after{
    background-color: #1ebad0;
}
.main-timeline .timeline:nth-child(5n+2) .timeline-year{
    color: #1ebad0;
    border-color: #1ebad0;
}
.main-timeline .timeline:nth-child(5n+2) .title{ color: #1ebad0; }
.main-timeline .timeline:nth-child(5n+3):before,
.main-timeline .timeline:nth-child(5n+3):after{
    background-color: #f8781f;
}
.main-timeline .timeline:nth-child(5n+3) .timeline-year{
    color: #f8781f;
    border-color: #f8781f;
}
.main-timeline .timeline:nth-child(5n+3) .title{ color: #f8781f; }
.main-timeline .timeline:nth-child(5n+4):before,
.main-timeline .timeline:nth-child(5n+4):after{
    background-color: #7cba01;
}
.main-timeline .timeline:nth-child(5n+4) .timeline-year{
    color: #7cba01;
    border-color: #7cba01;
}
.main-timeline .timeline:nth-child(5n+4) .title{ color: #7cba01; }
.main-timeline .timeline:nth-child(5n+5):before,
.main-timeline .timeline:nth-child(5n+5):after{
    background-color: #1F588A;
}
.main-timeline .timeline:nth-child(5n+5) .timeline-year{
    color: #1F588A;
    border-color: #1F588A;
}
.main-timeline .timeline:nth-child(5n+5) .title{ color: #1F588A; }
@media screen and (max-width:990px){
    .main-timeline .timeline:after{width: 10px;    }
    .main-timeline .timeline-year{ right: 30px; }
    .main-timeline .timeline-content{ padding: 15px 160px 15px 15px; }
    .main-timeline .timeline:nth-child(even) .timeline-year{ left: 30px; }
    .main-timeline .timeline:nth-child(even) .timeline-content{ padding: 15px 15px 15px 160px; }
}
@media screen and (max-width:767px){
    .main-timeline:before{
        transform: translateX(0);
        left: -3px;
    }
    .main-timeline .timeline{
        width: 100%;
        margin-bottom: 20px;
    }
    .main-timeline .timeline:before,
    .main-timeline .timeline:after,
    .main-timeline .timeline:nth-child(even):before,
    .main-timeline .timeline:nth-child(even):after{
        transform: translateY(0);
        top: 14px;
    }
 
    .main-timeline .timeline:before,
    .main-timeline .timeline:after{
        right: auto;
        left: -12px;
    }
    .main-timeline .timeline:after{ left: 0; }
    .main-timeline .timeline:after,
    .main-timeline .timeline:nth-child(even):after{
        width: 50px;
        top: 17px;
    }
    .main-timeline .timeline .timeline-content,
    .main-timeline .timeline:nth-child(even) .timeline-content{
        text-align: left;
        padding: 70px 10px 10px 20px;
    }
    .main-timeline .timeline .timeline-year,
    .main-timeline .timeline:nth-child(even) .timeline-year{
        line-height: 40px;
        height: 50px;
        width: 120px;
        border-width: 5px;
        transform: translateY(0);
        top: 0;
        left: 45px;
    }
}