JSFiddle - React, Tailwind, and code Playground

by fffam

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.5.1/moment.min.js"></script>
<div class="wrapper">
    <div class="pointer">
        <span class="server"><strong>Server time</strong><span>00:00</span></span>
        <span class="local"><strong>Your time</strong><span>00:00</span></span>
    </div>
</div>

CSS

@import url(https://fonts.googleapis.com/css?family=Open+Sans:400, 700);
 body {
    font-family:'Open Sans', sans-serif;
    font-size: 14px;
    color: #333;
}
.wrapper {
    position: relative;
    padding-top: 2em;
}
.pointer {
    position: absolute;
    height: 4000%;
    border-left: 2px solid red;
    z-index:400;
    top: 0;
    transition: left 1s ease-in-out;
}
.pointer .server {
    position: absolute;
    left: 0;
    background: red;
    color: white;
    font-size: 0.8em;
    font-weight: bold;
    padding: 4px 6px;
    margin-left: -2px;
}
.pointer .local {
    position: absolute;
    right: 2px;
    background: #B6B6B6;
    color: white;
    font-size: 0.8em;
    font-weight: bold;
    padding: 4px 6px;
    margin-left: 0px;
}
.pointer .server strong {
    position: absolute;
    top: 2.1em;
    color: #B9B9B9;
    left: 6px;
    width: 10em;
}
.pointer .local strong {
    position: absolute;
    top: 2.1em;
    color: #B9B9B9;
    right: 6px;
    width: 10em;
    text-align: right;
}
.bar {
    display: flex;
    flex-wrap: nowrap;
}
h2 {
    font-size: 1em;
    font-weight: bold;
    width: 100%;
    margin: 0.25em 0;
    color: #AAA;
}
.bar > div {
    box-sizing: border-box;
    padding: 0.5em;
    font-size: 0.8em;
    position: relative;
    font-weight: bold;
}
.bar > div > span {
    display: inline-block;
    padding: 0px 0 2px 0;
    margin: 2px;
    color: rgba(0,0,0,0.6);
    font-weight: normal;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.bar > div > strong {
 display: block;   
}
}

JavaScript

// Information on all the map metas
// Each has a name and a list of phases, with
// each phase having an offset from the previous phase
// (or start of every even hour for the first phase per meta)
// using server time (UTC)
var metas = {
    vb: {
        name: "Verdant Brink",
        phases: [
            { name: "",  duration: 10, color: "#84C147" },
            { name: "Night Bosses",  duration: 20, color: "#6DAC2F" },
            { name: "Daytime", duration: 75,  color: "#C4E2A5" },
            { name: "Night",  duration: 15, color: "#84C147" },
        ]
    },
    ab: {
        name: "Auric Basin",
        phases: [
            { name: "Pillars",  duration: 45, color: "#FFE37F" },
            { name: "Challenges",  duration: 15, color: "#FFD53D" },
            //{ name: "", duration: 5,  color: "#FFE37F" },
            { name: "Octovine",  duration: 20, color: "#EAB700" },
            { name: "Reset",  duration: 10, color: "#FFF1C1" },
            { name: "Pillars",  duration: 30, color: "#FFE37F" },
        ]
    },
    td: {
        name: "Tangled Depths",
        phases: [
            { name: "",  duration: 25, color: "#FFD7D7" },
            { name: "Prep",  duration: 5, color: "#ffbdbd" },
            { name: "Chak Gerent",  duration: 20, color: "#f99" },
            { name: "Help the Outposts",  duration: 70, color: "#FFD7D7" },
        ]
    },
    ds: {
        name: "Dragon's Stand",
        phases: [
            { name: "",  duration: 90, color: "linear-gradient( 90deg, #c8c5e5, #DFDDF7 )" },
            { name: "Start",  duration: 30, color: "linear-gradient( 90deg, #9f99cc, #c8c5e5 )" }
        ]
    },
    dt: {
        name: "Dry Top",
        phases: [
            { name: "Crash Site", duration: 40,  color: "#FCFADC" },
            { name: "Sandstorm",  duration: 20, color: "#DED98A" },
            { name: "Crash Site",  duration: 40, color: "#FCFADC" },
            { name: "Sandstorm",  duration: 20, color: "#DED98A" }
        ]
    }
   ...