body{
    background-color: #121212;
}
.main-timeline{ font-family: 'Roboto', sans-serif; }
.main-timeline:after{
    content: '';
    display: block;
    clear: both;
}
.logo{
    height: 10%;
    width: 10%;
}
.main-timeline .timeline{
    width: 50%;
    padding: 0 65px 0 0;
    margin: 0 5px 0 0;
    float: left;
}
.main-timeline .timeline-content{
    color: #fff;
    background: #6bb24c;
    text-shadow: 0 0 3px rgba(0,0,0,0.2);
    min-height: 155px;
    padding: 25px 75px 25px 25px;
    border: 10px solid #86ce69;
    border-right-width: 0;
    display: block;
    position: relative;
    z-index: 1;
}
.main-timeline .timeline-content:hover{ text-decoration: none; }
.main-timeline .timeline-content:before,
.main-timeline .timeline-content:after{
    content: '';
    background-color: #86ce69;
    position: absolute;
    left: 10px;
    bottom: 10px;
    top: 10px;
    right: 60px;
    z-index: -1;
}
.main-timeline .timeline-content:after{
    height: 80px;
    width: 65px;
    transform: translateY(-50%);
    right: -65px;
    left: auto;
    top: 50%;
    bottom: auto;
}
.main-timeline .timeline-year{
    font-family: 'Oswald', sans-serif;
    font-size: 20px;
    font-weight: 500;
    transform: translateY(-54%);
    position: absolute;
    top: 50%;
    right: -52px;
}
.main-timeline .title{
    font-size: 22px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 5px;
}
.main-timeline .description{
    color: #fff;
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
    letter-spacing: 1px;
    margin: 0;
}
.main-timeline .timeline:nth-child(even){
    padding: 0 0 0 65px;
    margin: 0 0 0 5px;
    float: right;
}
.main-timeline .timeline:nth-child(even) .timeline-content{
    padding: 25px 25px 25px 75px;
    border-right-width: 10px;
    border-left-width: 0;
}
.main-timeline .timeline:nth-child(even) .timeline-content:before{
    right: 10px;
    left: 60px;
}
.main-timeline .timeline:nth-child(even) .timeline-content:after{
    right: auto;
    left: -65px;
}
.main-timeline .timeline:nth-child(even) .timeline-year{
    right: auto;
    left: -54px;
}
.main-timeline .timeline:nth-child(4n+2) .timeline-content{
    background: #247AC2;
    border-color: #409FD9;
}
.main-timeline .timeline:nth-child(4n+2) .timeline-content:before,
.main-timeline .timeline:nth-child(4n+2) .timeline-content:after{
    background-color: #409FD9;
}
.main-timeline .timeline:nth-child(4n+3) .timeline-content{
    background: #2093A8;
    border-color: #3EB3C5;
}
.main-timeline .timeline:nth-child(4n+3) .timeline-content:before,
.main-timeline .timeline:nth-child(4n+3) .timeline-content:after{
    background-color: #3EB3C5;
}
.main-timeline .timeline:nth-child(4n+4) .timeline-content{
    background: #31455E;
    border-color: #4C6480;
}
.main-timeline .timeline:nth-child(4n+4) .timeline-content:before,
.main-timeline .timeline:nth-child(4n+4) .timeline-content:after{
    background-color: #4C6480;
}
@media screen and (max-width:990px){
    .main-timeline .timeline,
    .main-timeline .timeline:nth-child(even){
        width: calc(50% + 35px);
    }
}
@media screen and (max-width:767px){
    .main-timeline .timeline,
    .main-timeline .timeline:nth-child(even){
        width: 100%;
        margin: 0 0 30px;
    }
}
@media screen and (max-width:576px){
    .main-timeline .timeline,
    .main-timeline .timeline:nth-child(even){
        padding: 40px 0 0;
    }
    .main-timeline .timeline-content,
    .main-timeline .timeline:nth-child(even) .timeline-content{
        text-align: center;
        padding: 55px 25px 25px;
        border-right-width: 10px;
        border-left-width: 10px;
        border-top-width: 0;
    }
    .main-timeline .timeline-content:before,
    .main-timeline .timeline:nth-child(even) .timeline-content:before{
        top: 35px;
        right: 10px;
        left: 10px;
    }
    .main-timeline .timeline-content:after,
    .main-timeline .timeline:nth-child(even) .timeline-content:after{
        width: 130px;
        height: 40px;
        transform: translateY(0) translateX(-50%);
        left: 50%;
        right: auto;
        top: -40px;
    }
    .main-timeline .timeline-year,
    .main-timeline .timeline:nth-child(even) .timeline-year{
        transform: translateY(0) translateX(-50%);
        left: 50%;
        right: auto;
        top: -45px;
    }
}