.seeu_timeline {
    float: left;
    width: 100%;
    padding: 0 25% 5% 25%;
    height: auto;
}

.demo {
    padding: 1.5em 0
}

.main-timeline {
    position: relative;
    -webkit-transition: all 0.4s ease 0s;
    -moz-transition: all 0.4s ease 0s;
    -ms-transition: all 0.4s ease 0s;
    transition: all 0.4s ease 0s;
}

.main-timeline:before {
    content: "";
    width: 3px;
    height: 100%;
    background: #51716b;
    position: absolute;
    top: 0;
    left: 50%;
}

.main-timeline .timeline {
    margin-bottom: 50px;
    position: relative;
}

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

.main-timeline .timeline-icon {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #51716b;
    overflow: hidden;
    margin-left: -11px;
    position: absolute;
    top: 0;
    left: 50%;
    text-align: center;
}

.main-timeline .timeline-content {
    width: 45%;}

.main-timeline .title {
    font-size: 20px;
    width: 150px;
    color: #fff;
    padding: 10px;
    background: #51716b;
    border-radius: 8px 8px 8px 8px;
    margin: 10px -10px;
    text-align: center;
}

.main-timeline .title:hover{
    background: #9AC0B9;
    -o-transition: background .20s linear;
    -webkit-transition: background .20s linear;
    -moz-transition: background .20s linear;
    transition:  background .20s linear;
}

.main-timeline .description {
    font-size: 14px;
    color: #726f77;
}

.main-timeline .timeline-content.right {
    float: right;
}

@media only screen and (max-width: 990px) {
    .main-timeline .title {
        font-size: 25px;
    }
    .main-timeline .timeline-content::before {
        top: 16px;
    }
}

@media only screen and (max-width: 767px) {
    .main-timeline {
        margin-left: 20px;
    }
    .main-timeline:before {
        left: 0;
    }
    .main-timeline .timeline-content {
        width: 90%;
        float: right;
    }
    .main-timeline .timeline-content:before,
    .main-timeline .timeline-content.right:before {
        left: 10%;
        right: inherit;
        margin-left: -6px;
        border-left: 0;
        border-right: 7px solid #1abc9c;
    }
    .main-timeline .timeline-icon {
        left: 0;
    }
}

@media only screen and (max-width: 479px) {
    .main-timeline .timeline-content {
        width: 85%;
    }
    .main-timeline .timeline-content:before,
    .main-timeline .timeline-content.right:before {
        left: 15%;
    }
    .main-timeline .title {
        font-size: 20px;
    }
    .main-timeline .timeline-content:before {
        top: 13px;
    }


.seeu_timeline {
    padding: 0%;
}

}