section {
    padding: 50px 0;
}

.timeline {
    position: relative;
}

    .timeline::before {
        content: '';
        background: #B9D8EA; /*Cizgi Rengi*/
        width: 5px;
        height: 95%;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

.timeline-item {
    width: 100%;
    margin-bottom: 70px;
}

    .timeline-item:nth-child(even) .timeline-content {
        float: right;
        padding: 40px 30px 10px 30px;
    }

        .timeline-item:nth-child(even) .timeline-content .date {
            right: auto;
            left: 0;
        }

        .timeline-item:nth-child(even) .timeline-content::after {
            content: '';
            position: absolute;
            border-style: solid;
            width: 0;
            height: 0;
            top: 30px;
            left: -15px;
            border-width: 10px 15px 10px 0;
            border-color: transparent #005688 transparent transparent;
        }

    .timeline-item::after {
        content: '';
        display: block;
        clear: both;
    }

.background_item {
    margin-top: 80px;
    background: #B9D8EA;
    border: 1px solid #005688;
    padding: 10px 10px;
}

    .background_item .background_white {
        padding: 10px 20px;
        background: #fff;
    }

        .background_item .background_white .img_container {
            margin: 10px 0;
            border: 1px solid #005688;
        }

.timeline-content {
    position: relative;
    width: 45%;
    padding: 10px 30px;
    border-radius: 4px;
    /*background: #f5f5f5;*/
    /*box-shadow: 0 20px 25px -15px rgba(0, 0, 0, 0.3);*/
}

    .timeline-content::after {
        content: '';
        position: absolute;
        border-style: solid;
        width: 0;
        height: 0;
        top: 30px;
        right: -15px;
        border-width: 10px 0 10px 15px;
        border-color: transparent transparent transparent #005688;
    }

.timeline-img {
    width: 30px;
    height: 30px;
    background: #005688; /*Top Rengi*/
    border-radius: 50%;
    position: absolute;
    left: 50%;
    margin-top: 25px;
    margin-left: -15px;
}

/*a {
    background: #3F51B5;
    color: #FFFFFF;
    padding: 8px 20px;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 20px;
    margin-top: 10px;
    display: inline-block;
    border-radius: 2px;
    box-shadow: 0 1px 3px -1px rgba(0, 0, 0, 0.6);
}

    a:hover, a:active, a:focus {
        background: #32408f;
        color: #FFFFFF;
        text-decoration: none;
    }*/

.timeline-card {
    padding: 0 !important;
}

    .timeline-card p {
        padding: 0 20px;
    }

    .timeline-card a {
        margin-left: 20px;
    }

.timeline-item:nth-child(2) .timeline-img-header {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.4)), url("https://hd.unsplash.com/photo-1458530970867-aaa3700e966d") center center no-repeat;
    background-size: cover;
}

.timeline-item:nth-child(5) .timeline-img-header {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.4)), url("https://hd.unsplash.com/photo-1444093826349-9ce8c622f4f3") center center no-repeat;
    background-size: cover;
}

.timeline-item:nth-child(6) .timeline-img-header {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.4)), url("https://hd.unsplash.com/photo-1471479917193-f00955256257") center center no-repeat;
    background-size: cover;
}

.timeline-item:nth-child(8) .timeline-img-header {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.4)), url("https://hd.unsplash.com/photo-1466840787022-48e0ec048c8a") center center no-repeat;
    background-size: cover;
}

.timeline-item:nth-child(10) .timeline-img-header {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.4)), url("https://hd.unsplash.com/photo-1447639703758-f525f36456bf") center center no-repeat;
    background-size: cover;
}

.timeline-item:nth-child(11) .timeline-img-header {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.4)), url("https://hd.unsplash.com/photo-1469429978400-082eec725ad5") center center no-repeat;
    background-size: cover;
}

.timeline-img-header {
    height: 200px;
    position: relative;
    margin-bottom: 20px;
}

    .timeline-img-header h2 {
        color: #FFFFFF;
        position: absolute;
        bottom: 5px;
        left: 20px;
    }

blockquote {
    margin-top: 30px;
    color: #757575;
    border-left-color: #3F51B5;
    padding: 0 20px;
}

.timeline-item .date {
    background: #005688;
    display: inline-block;
    color: #FFFFFF;
    padding: 10px;
    position: absolute;
    top: 19px;
    right: 0;
}

@media screen and (max-width: 768px) {
    .timeline::before {
        left: 50px;
    }

    .timeline .timeline-img {
        left: 50px;
    }

    .timeline .timeline-content {
        max-width: 100%;
        width: auto;
        margin-left: 70px;
    }

    .timeline .timeline-item:nth-child(even) .timeline-content {
        float: none;
    }

    .timeline .timeline-item:nth-child(odd) .timeline-content::after {
        content: '';
        position: absolute;
        border-style: solid;
        width: 0;
        height: 0;
        top: 30px;
        left: -15px;
        border-width: 10px 15px 10px 0;
        border-color: transparent #f5f5f5 transparent transparent;
    }
}