.main-timeline4 {
    overflow: hidden;
    position: relative
}

.main-timeline4:before {
    content: "";
    width: 2px;
    height: 82%;
    background: #BF9724;
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%)
}

.main-timeline4 .timeline-content:before,
.main-timeline4 .timeline:before {
    top: 50%;
    transform: translateY(-50%);
    content: ""
}

.main-timeline4 .timeline {
    width: 50%;
    padding-left: 100px;
    float: right;
    position: relative
}

.main-timeline4 .timeline:before {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 5px solid #102348;
    position: absolute;
    left: -10px
}

.main-timeline4 .timeline-content {
    display: block;
    padding-left: 100px;
    position: relative;
    text-align: left;
}

.main-timeline4 .timeline-content:before {
    width: 75px;
    height: 3px;
    border-top: 2px solid #BF9724;
    position: absolute;
    left: -90px
}

.main-timeline4 .year {
    display: inline-block;
    line-height: 155px;
    font-size: 22px;
    font-weight: 600;
    color: #102348;
    text-align: center;
    position: absolute;
    top: 0;
    left: 0
}

.main-timeline4 .inner-content {
    padding: 20px;
    background: #FFFFFF;
}

.main-timeline4 .title {
    font-size: 18px;
    font-weight: 600;
    color: #00C08D;
    text-transform: uppercase;
    margin: 0 0 5px
}

.main-timeline4 .description {
    font-size: 14px;
    color: #6f6f6f;
    margin: 0 0 5px
}

.main-timeline4 .timeline:nth-child(2n) {
    padding: 0 100px 0 0
}

.main-timeline4 .timeline:nth-child(2n) .timeline-content:before,
.main-timeline4 .timeline:nth-child(2n) .year,
.main-timeline4 .timeline:nth-child(2n):before {
    left: auto;
    right: -10px
}

.main-timeline4 .timeline:nth-child(2n) .timeline-content {
    padding: 0 100px 0 0;
    text-align: right;
}

.main-timeline4 .timeline:nth-child(2n) .timeline-content:before {
    right: -90px
}

.main-timeline4 .timeline:nth-child(2n) .year {
    right: 0
}

.main-timeline4 .timeline:nth-child(2n) .year:before {
    right: auto;
    left: 0;
    border-left: none;
    border-right: 20px solid #f54957;
    transform: rotate(-45deg)
}

.main-timeline4 .timeline:nth-child(2) {
    margin-top: 120px
}

.main-timeline4 .timeline:nth-child(odd) {
    margin: -115px 0 0
}

.main-timeline4 .timeline:nth-child(even) {
    margin-bottom: 93px
}

.main-timeline4 .timeline:first-child,
.main-timeline4 .timeline:last-child:nth-child(even) {
    margin: 0
}

.main-timeline4 .timeline:nth-child(2n) .year {
    border-color: #102348;
    color: #102348
}

.main-timeline4 .timeline:nth-child(2) .year:before {
    border-right-color: #1ebad0
}

.main-timeline4 .timeline:nth-child(2n) .title {
    color: #00C08D
}

.main-timeline4 .timeline:nth-child(3n) .year {
    border-color: #102348;
    color: #102348
}

.main-timeline4 .timeline:nth-child(3) .year:before {
    border-left-color: #7cba01
}

.main-timeline4 .timeline:nth-child(3n) .title {
    color: #00C08D
}

.main-timeline4 .timeline:nth-child(4n) .year {
    border-color: #102348;
    color: #102348
}

.main-timeline4 .timeline:nth-child(4) .year:before {
    border-right-color: #f8781f
}

.main-timeline4 .timeline:nth-child(4n) .title {
    color: #00C08D
}

@media only screen and (max-width:1200px) {
    .main-timeline4 .year {
        top: 50%;
        transform: translateY(-50%)
    }
}

@media only screen and (max-width:990px) {
    .main-timeline4 .timeline {
        padding-left: 75px
    }

    .main-timeline4 .timeline:nth-child(2n) {
        padding: 0 75px 0 0
    }

    .main-timeline4 .timeline-content {
        padding-left: 130px
    }

    .main-timeline4 .timeline:nth-child(2n) .timeline-content {
        padding: 0 130px 0 0
    }

    .main-timeline4 .timeline-content:before {
        width: 68px;
        left: -68px
    }

    .main-timeline4 .timeline:nth-child(2n) .timeline-content:before {
        right: -68px
    }
}

@media (min-width: 1710px) {
    .main-timeline4 .timeline:nth-child(2n) .year {
        margin-top: -3%;
    }

    .main-timeline4 .timeline:nth-child(odd) .year {
        margin-top: 0%;
    }

    .main-timeline4 .timeline:last-child:nth-child(even) .year {
        margin-top: 0%;
    }

    .main-timeline4 .timeline:nth-last-child(2) .year {
        margin-top: 1%;
    }
}

@media (min-width: 1537px) and (max-width: 1709px) {
    .main-timeline4 .timeline:nth-child(odd) .year {
        margin-top: 2%;
    }

    .main-timeline4 .timeline:nth-child(2n) .timeline-content {
        padding: 0px 72px 0 0;
    }

    .main-timeline4 .timeline-content {
        padding-left: 74px;
    }

    .main-timeline4 .timeline:nth-child(odd) .year {
        margin-top: 1.5%;
    }
    .main-timeline4 .timeline:nth-child(even) .year {
        margin-top: -2%;
    }

    .main-timeline4 .timeline:last-child:nth-child(even) .year {
        margin-top: 2%;
    }

    .main-timeline4 .timeline:nth-last-child(2) .year {
        margin-top: 5%;
    }
}

@media (min-width: 1366px) and (max-width: 1536px) {
    .main-timeline4 .timeline:nth-child(odd) .year {
        margin-top: 2%;
    }

    .main-timeline4 .timeline:nth-child(2n) .timeline-content {
        padding: 0px 72px 0 0;
    }

    .main-timeline4 .timeline-content {
        padding-left: 74px;
    }

    .main-timeline4 .timeline:nth-child(odd) .year {
        margin-top: 1%;
    }
    .main-timeline4 .timeline:nth-child(even) .year {
        margin-top: -2%;
    }

    .main-timeline4 .timeline:last-child:nth-child(even) .year {
        margin-top: 4%;
    }

    .main-timeline4 .timeline:nth-last-child(2) .year {
        margin-top: 5%;
    }
}
@media (min-width: 1000px) and (max-width: 1300px) {
    .main-timeline4 .timeline:nth-child(odd) .year {
        margin-top: 2%;
    }

    .main-timeline4 .timeline:nth-child(2n) .timeline-content {
        padding: 0px 72px 0 0;
    }

    .main-timeline4 .timeline-content {
        padding-left: 74px;
    }

    .main-timeline4 .timeline:nth-child(odd) .year {
        margin-top: 4%;
    }

    .main-timeline4 .timeline:last-child:nth-child(even) .year {
        margin-top: 8%;
    }

    .main-timeline4 .timeline:nth-last-child(2) .year {
        margin-top: 10%;
    }
}

@media only screen and (max-width:767px) {
    .main-timeline4 {
        overflow: visible
    }

    .main-timeline4:before {
        height: 98%;
        top: 60px;
        left: 0;
        transform: translateX(0)
    }

    .main-timeline4 .timeline:before,
    .main-timeline4 .timeline:nth-child(2n):before {
        top: 60px;
        left: -9px;
        transform: translateX(0)
    }

    .main-timeline4 .timeline,
    .main-timeline4 .timeline:nth-child(even),
    .main-timeline4 .timeline:nth-child(odd) {
        width: 100%;
        float: none;
        text-align: center;
        padding: 0;
        margin: 0 0 10px
    }

    .main-timeline4 .timeline-content,
    .main-timeline4 .timeline:nth-child(2n) .timeline-content {
        padding: 0;
        margin-left: 2px;
        text-align: left;
    }

    .main-timeline4 .timeline-content:before,
    .main-timeline4 .timeline:nth-child(2n) .timeline-content:before {
        display: none
    }

    .main-timeline4 .timeline:nth-child(2n) .year,
    .main-timeline4 .year {
        position: relative;
        transform: translate(20px, -8px);
    }

    .main-timeline4 .timeline:nth-child(2n) .year:before,
    .main-timeline4 .year:before {
        border: none;
        border-right: 20px solid #f54957;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        top: 50%;
        left: -23px;
        bottom: auto;
        right: auto;
        transform: rotate(0)
    }

    .main-timeline4 .timeline:nth-child(2n) .year:before {
        border-right-color: #1ebad0
    }

    .main-timeline4 .timeline:nth-child(3n) .year:before {
        border-right-color: #7cba01
    }

    .main-timeline4 .timeline:nth-child(4n) .year:before {
        border-right-color: #f8781f
    }

    .main-timeline4 .inner-content {
        padding: 10px
    }
}