.demo{ background: #f2f2f2; }

.main-timeline{
    overflow: hidden;
    position: relative;
}

.main-timeline .timeline{
    width: 50%;
    float: right;
    position: relative;
    z-index: 1;
}

.main-timeline .timeline:before,
.main-timeline .timeline:after{
    content: "";
    display: block;
    width: 100%;
    clear: both;
}

.main-timeline .timeline:before{
    content: "";
    width: 40%;
    height: 6px;
    background: #9f005d;
    position: absolute;
    top: 50%;
    left: 0;
    z-index: -1;
    transform: translateY(-50%);
}

.main-timeline .timeline:after{
    content: "";
    width: 6px;
    height: 70%;
    background: #9f005d;
    position: absolute;
    top: 50%;
    left: -3px;
}

.main-timeline .timeline-content{
    width: 65%;
    float: right;
    padding: 0 0 30px 30px;
    margin-right: 15px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 3px 3px 5px 6px #ccc;
}

.main-timeline .timeline-content:before,
.main-timeline .timeline-content:after{
    content: "";
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #9f005d;
    position: absolute;
    top: 50%;
    left: -13px;
    z-index: 1;
    transform: translateY(-50%);
}

.main-timeline .timeline-content:after{
    left: 30%;
    transform: translate(-50%,-50%);
}

.main-timeline .year{
    display: block;
    font-size: 28px;
    font-weight: bold;
    color: #9f005d;
    text-align: center;
    padding-left: 50px;
}

.main-timeline .content-inner{
    padding: 35px 15px 35px 110px;
    margin-right: -15px;
    background: #9f005d;
    border-radius: 150px 0 0 150px;
    position: relative;
}

.main-timeline .content-inner:before,
.main-timeline .content-inner:after{
    content: "";
    border-left: 15px solid #640026;
    border-top: 10px solid transparent;
    position: absolute;
    top: -10px;
    right: 0;
}

.main-timeline .content-inner:after{
    border-top: none;
    border-bottom: 10px solid transparent;
    top: auto;
    bottom: -10px;
}

.main-timeline .icon{
    width: 110px;
    height: 100%;
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
}

.main-timeline .icon i{
    font-size: 60px;
    font-weight: bold;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

.main-timeline .title{
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    margin: 0 0 5px 0;
}

.main-timeline .description{
    font-size: 14px;
    color: #fff;
    margin: 0;
}

.main-timeline .timeline:nth-child(2n):before,
.main-timeline .timeline:nth-child(2n):after,
.main-timeline .timeline:nth-child(2n) .icon{
    left: auto;
    right: 0;
}

.main-timeline .timeline:nth-child(2n):after{ right: -3px; }

.main-timeline .timeline:nth-child(2n) .timeline-content{
    float: left;
    padding: 0 30px 30px 0;
    margin: 0 0 0 15px;
}

.main-timeline .timeline:nth-child(2n) .timeline-content:before,
.main-timeline .timeline:nth-child(2n) .timeline-content:after{
    left: auto;
    right: -13px;
}

.main-timeline .timeline:nth-child(2n) .timeline-content:after{
    right: 30%;
    margin-right: -25px;
}

.main-timeline .timeline:nth-child(2n) .year{ padding: 0 50px 0 0; }

.main-timeline .timeline:nth-child(2n) .content-inner{
    padding: 35px 110px 35px 15px;
    margin: 0 0 0 -15px;
    border-radius: 0 150px 150px 0;
}

.main-timeline .timeline:nth-child(2n) .content-inner:before,
.main-timeline .timeline:nth-child(2n) .content-inner:after{
    border: none;
    border-right: 15px solid #027dcd;
    border-top: 10px solid transparent;
    right: auto;
    left: 0;
}

.main-timeline .timeline:nth-child(2n) .content-inner:after{
    border-top: none;
    border-bottom: 10px solid transparent;
}

.main-timeline .timeline:nth-child(2){ margin-top: 200px; }

.main-timeline .timeline:nth-child(odd){ margin: -190px 0 0 0; }

.main-timeline .timeline:nth-child(even){ margin-bottom: 70px; }

.main-timeline .timeline:first-child,
.main-timeline .timeline:last-child:nth-child(even){ margin: 0; }

.main-timeline .timeline:nth-child(2n):before,
.main-timeline .timeline:nth-child(2n):after,
.main-timeline .timeline:nth-child(2n) .timeline-content:before,
.main-timeline .timeline:nth-child(2n) .timeline-content:after,
.main-timeline .timeline:nth-child(2n) .content-inner{ background: #05b1ff; }

.main-timeline .timeline:nth-child(2n) .year{ color: #05b1ff }

.main-timeline .timeline:nth-child(3n):before,
.main-timeline .timeline:nth-child(3n):after,
.main-timeline .timeline:nth-child(3n) .timeline-content:before,
.main-timeline .timeline:nth-child(3n) .timeline-content:after,
.main-timeline .timeline:nth-child(3n) .content-inner{ background: #00a3a9; }

.main-timeline .timeline:nth-child(3n) .content-inner:before,
.main-timeline .timeline:nth-child(3n) .content-inner:after{ border-left-color: #006662; }

.main-timeline .timeline:nth-child(3n) .year{ color: #00a3a9 }

.main-timeline .timeline:nth-child(4n):before,
.main-timeline .timeline:nth-child(4n):after,
.main-timeline .timeline:nth-child(4n) .timeline-content:before,
.main-timeline .timeline:nth-child(4n) .timeline-content:after,
.main-timeline .timeline:nth-child(4n) .content-inner{ background: #f92534; }

.main-timeline .timeline:nth-child(4n) .content-inner:before,
.main-timeline .timeline:nth-child(4n) .content-inner:after{ border-right-color: #92070e; }

.main-timeline .timeline:nth-child(4n) .year{ color: #f92534 }

@media only screen and (max-width: 990px) and (min-width: 768px){
    .main-timeline .timeline:after{ height: 80%; }
}

@media only screen and (max-width: 767px){
    .main-timeline .timeline{ width: 95%; }
    .main-timeline .timeline:nth-child(odd),
    .main-timeline .timeline:nth-child(even),
    .main-timeline .timeline:last-child{ margin: 0; }
    .main-timeline .timeline{ margin: 15px 15px 15px 0 !important; }
    .main-timeline .timeline:before,
    .main-timeline .timeline:after,
    .main-timeline .timeline .timeline-content:before,
    .main-timeline .timeline .timeline-content:after{ display: none; }
    .main-timeline .timeline-content,
    .main-timeline .timeline:nth-child(2n) .timeline-content{
        width: 100%;
        float: none;
        padding: 0 0 30px 30px;
        margin: 0;
    }
    .main-timeline .content-inner,
    .main-timeline .timeline:nth-child(2n) .content-inner{
        padding: 35px 15px 35px 110px;
        margin: 0 -15px 0 0;
        border-radius: 150px 0 0 150px;
    }
    .main-timeline .timeline:nth-child(2n) .content-inner:before,
    .main-timeline .timeline:nth-child(2n) .content-inner:after{
        border: none;
        border-left: 15px solid #027dcd;
        border-top: 10px solid transparent;
        right: 0;
        left: auto;
    }
    .main-timeline .timeline:nth-child(2n) .content-inner:after{
        border-top: none;
        border-bottom: 10px solid transparent;
    }
    .main-timeline .timeline:nth-child(2n) .icon{
        top: 0;
        left: 0;
    }
    .main-timeline .timeline:nth-child(4n) .content-inner:before,
    .main-timeline .timeline:nth-child(4n) .content-inner:after{ border-left-color: #92070e; }
}