.history-timeline > li {
    position: relative;
    display: block;
    margin-bottom: 20px;
}

.history-timeline {
    position: relative;
    padding: 0;
    list-style: none;
    overflow: hidden;
    margin-top: 35px;
}

.history-container {
    padding: 30px 0 60px 0;
}

.history-timeline > li:after {
    content: "";
    background: url(/image/history-timeline_bullet.png) no-repeat;
    display: block;
    height: 25px;
    width: 25px;
    position: absolute;
}

.history-timeline::before {
    content: '';
    position: absolute;
    height: 100%;
    width: 4px;
    background: #00a1e4;
}

.history-timeline {
    position: relative;
    padding: 0;
    list-style: none;
    overflow: hidden;
    margin-top: 35px;
}

.history-timeline::before {
    content: '';
    position: absolute;
    height: 100%;
    width: 4px;
    background: #00a1e4;
}

.history-timeline>li {
    position: relative;
    display: block;
    margin-bottom: 20px;
}

.history-timeline>li:after {
    content: "";
    background: url('/image/history-timeline_bullet.png') no-repeat;
    display: block;
    height: 25px;
    width: 25px;
    position: absolute;
}

.history-timeline>li .history-box {
    position: relative;
}

@media only screen and (min-width:992px) {

    .history-timeline > li:nth-of-type(2n):after {
        right: auto;
        bottom: 0;
        left: -25px;
        top: inherit;
    }

    .history-timeline > li:after {
        left: auto;
        top: 0;
        right: -32px;
    }

    .history-timeline {
        position: relative;
        padding: 0;
        list-style: none;
        overflow: hidden;
        margin-top: 30px;
    }

    .history-timeline::before {
        top: 0;
        left: 50%;
    }

    .history-timeline>li {
        width: 465px;
        height: 150px;
        float: left;
        clear: left;
    }

    .history-timeline>li img {
        width: 36%;
        float: right;
        height: auto;
    }

    .history-timeline>li:after {
        left: auto;
        top: 0;
        right: -110px;
    }

    .history-timeline>li:nth-of-type(2n):after {
        right: auto;
        bottom: 0;
        left: -129px;
        top: inherit;
    }

    .history-timeline>li:nth-of-type(2n) {
        float: right;
        clear: right;
    }

    .history-timeline>li:nth-of-type(2n) img {
        float: left;
    }

    .history-timeline>li .history-box {
        position: relative;
        overflow: hidden;
        height: 150px;
        overflow: hidden;
    }

    .history-box p {
        padding: 0 20px;
        float: right;
        width: 64%;
        text-align: right;
    }

    .history-timeline>li:nth-of-type(2n) .history-box p {
        text-align: left;
        float: left;
    }

    .history-box .year {
        display: block;
        color: #00a1e4;
        font-size: 25px;
        font-weight: 600;
    }

}

@media only screen and (max-width:767px) {
    
    .history-box .year {
        margin-bottom: 5px;
    }

    .history-timeline::before {
        top: 0;
        left: 0;
        margin-left: 15px;
    }

    .history-timeline>li:after {
        right: 0;
        margin-left: 6px;
    }

    .history-timeline>li {
        width: 90%;
        float: left;
        margin-bottom: 20px;
        padding-left: 35px;
        padding-top: 10px;
    }

    .history-timeline>li:after {
        left: 0;
        top: 0;
        margin-left: -20px;
    }

    .history-timeline>li img {
        float: none;
        width: 250px;
        height: auto;
    }

    .history-box p {
        float: left;
        width: 100%;
        text-align: left;
        padding: 5px 10px 5px 0;
        line-height: 18px;
    }

}

@media only screen and (min-width:768px) and (max-width:991px) {
 
    .history-timeline {
        float: left;
        overflow: initial;
        padding-left: 15px;
    }

    .history-timeline>li {
        width: 100%;
        float: left;
        padding-left: 20px;
    }

    .history-timeline>li .history-box {
        float: left;
        padding-top: 10px;
    }

    .history-timeline>li:after {
        left: -15px;
    }

    .history-timeline>li img {
        width: 300px;
        height: auto;
        float: left;
    }

    .history-box p {
        padding: 0 10px;
        width: 350px;
        float: left;
    }

    .history-box .year {
        margin-bottom: 5px;
    }

}

@media only screen and (min-width:600px) and (max-width:758px) {

    .history-timeline>li .history-box {
        float: left;
        padding-top: 10px;
    }

    .history-timeline>li img {
        width: 250px;
        height: auto;
        float: left;
    }

    .history-box p {
        padding: 0 10px;
        width: 250px;
        float: left;
    }
}

@media only screen and (min-width:758px) and (max-width:1024px) and (orientation:portrait) {
    .history-timeline>li:after {
        left: -10px;
    }

}

@media only screen and (min-width:758px) and (max-width:1024px) and (orientation:landscape) {
    .history-timeline>li:after {
        right: -36px !important;
    }

    .history-timeline>li:nth-of-type(2n):after {
        left: -29px !important;
    }
}