Responsive horizontal timeline like thing

HTML

<div class="container">
    <div class="bar"></div>
    <div class="timeline">
        <div class="entry" data-text="South Station"></div>
        <div class="entry" data-text="Back Bay"><span></span></div>
        <div class="entry" data-text="Yawkey"></div>
        <div class="entry" data-text="Newtonville"></div>
        <div class="entry" data-text="West Newton"></div>
        <div class="entry" data-text="Auberndale"></div>
        <div class="entry" data-text="Wellesley Farms"></div>
        <div class="entry" data-text="Wellesley Hills"></div>
        <div class="entry" data-text="Wellesley Square"></div>
            <div class="entry" data-text="Wellesley Square"></div>
                <div class="entry" data-text="Wellesley Square"></div>
                    <div class="entry" data-text="Wellesley Square"></div>
         <div class="entry" data-text="Wellesley Square"></div>
                    <div class="entry" data-text="Wellesley Square"></div>
                     <div class="entry" data-text="Wellesley Square"></div>
                    <div class="entry" data-text="Wellesley Square"></div>
                     <div class="entry" data-text="Wellesley Square"></div>
                    <div class="entry" data-text="Wellesley Square"></div>
                     <div class="entry" data-text="Wellesley Square"></div>
                    <div class="entry" data-text="Wellesley Square"></div>
        <div class="entry" data-text="1111"></div>
    </div>
</div>

CSS

* {
    box-sizing: border-box;
}
.container {
    position: relative;
    top: 30px;
    border: 1px solid blue;
    height: 150px;
    width: 95%;
}
.bar {
    height: 4px;
    background: #eee;
    width: 100%;
    position: absolute;
    top: calc(100% - 8px);
    /* entry height / 2 */
    left: 0;
}
.timeline {
    display: flex;
    align-items: baseline;
    height: 100%;
}
.entry {
    flex: 1;
    xalign-self: baseline;
    position: relative;
    height: 100%;
    xborder: 1px solid red;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
}
.entry:last-child {
    xflex-basis: 13px;
    xflex-grow: 0;
    xflex-shrink: 0;
}
.entry:before {
    content:'';
    background: #000;
    width: 4px;
    height: 15px;
    position: relative;
    xleft: 5px;
}
.entry:after {
    content: attr(data-text)' ';
    transform: rotate(-80deg) translateY(-50%);
    font-family: sans-serif;
    font-size: 12px;
    xborder: 1px solid green;
    transform-origin: top left;
    display: block;
    width: 100%;
    white-space: nowrap;
    position: relative;
    left: 50%;
    top: 5px;
}
.entry:first-child:after,
.entry:last-child:after {
    font-weight: bold;
}

.entry span {
    width: 10px;
    height: 10px;
    display: block;
    background: red;
    border-radius: 5px;
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
}