hello.css

* {
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: normal;
    margin: 3em 0;
    padding: 0;
}

.outer {
    margin: 0 auto;
    max-width: 480px;
}

.logo {
    background: url('data:image/svg+xml;base64,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');
    background-position: center center;
    background-repeat: no-repeat;
    background-size: contain;
    height: 1.5em;
    margin: 0 auto .75em;
    width: 1.5em;
}

.title {
    font-size: 1.5em;
    font-weight: 600;
    letter-spacing: .3em;
    margin: 0 0 .25em;
    text-align: center;
    text-indent: .3em;
    text-transform: uppercase;
}

.subtitle {
    color: #999;
    font-size: .875em;
    margin-bottom: 2em;
    text-align: center;
}

.leaderboard {
    border-top: 1px solid #f1f1f1;
    counter-reset: ol-counter;
    list-style-type: none;
    margin: 0 0 1.5em;
    padding: 0;
}

.city {
    border-bottom: 1px solid #f1f1f1;
    cursor: pointer;
    padding: .5em 0;
    position: relative;
    overflow: hidden;
    transition: background 300ms ease-out;
    border-left: 4px solid white;
}

.city:before {
    color: #999;
    content: counter(ol-counter);
    counter-increment: ol-counter;
    display: inline-block;
    font-weight: 300;
    line-height: 3em;
    text-align: center;
    vertical-align: middle;
    width: 3em;
}

.city .avatar {
    display: inline-block;
    margin-right: 1em;
    vertical-align: middle;
}

.city .name {
    display: inline-block;
    font-size: 1.25em;
    font-weight: 300;
    vertical-align: middle;
}

.city .score {
    color: #333;
    display: block;
    float: right;
    font-size: 1.25em;
    font-weight: 600;
    line-height: 2.4em;
    padding-right: 1.25em;
}

.city.selected {
    background-color: #fefff4;
    border-left: #eb5f3a 4px solid;
}

.city:hover {
    background-color: #fefff4;
}

.new-task {
    border-left: 5px solid white;
    display: inline;
}

.new-task input {
    box-sizing: border-box;
    padding: 10px 0;
    background: transparent;
    border: none;
    padding-right: 80px;
    font-size: 1em;
}

.new-task input:focus{
    outline: 0;
}

.new-task .add {
    border-radius: 3em;
    border: #eb5f3a 1px solid;
    background: transparent;
    color: #eb5f3a;
    cursor: pointer;
    float: left;
    font-family: 'Source Sans Pro' ,'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 1rem;
    line-height: 1;
    margin: 5px;
    outline: none;
    padding: 6px 8px;
    transition: all 200ms ease-in;
}

.new-task .add:hover {
    background: #eb5f3a;
    color: #fff;
}

.new-task .add:active {
    box-shadow: rgba(0,0,0,.3) 0 1px 3px 0 inset;
}

.delete {
    float: right;
    font-weight: bold;
    background: none;
    font-size: 1em;
    border: none;
    position: relative;
}

.submit {
    margin-left: 30%;
    margin-right: 20%;
    padding: 15px;
}

.request {
    background: #ffffff;
    background-image: -webkit-linear-gradient(top, #ffffff, #dbdbdb);
    background-image: -moz-linear-gradient(top, #ffffff, #dbdbdb);
    background-image: -ms-linear-gradient(top, #ffffff, #dbdbdb);
    background-image: -o-linear-gradient(top, #ffffff, #dbdbdb);
    background-image: linear-gradient(to bottom, #ffffff, #dbdbdb);
    -webkit-border-radius: 23;
    -moz-border-radius: 23;
    border-radius: 23px;
    font-family: 'Source Sans Pro' ,'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 1rem;
    font-weight: bold;
    color: #a82a2a;
    font-size: 20px;
    padding: 10px 20px 10px 20px;
    border: solid #eda5a5 2px;
    text-decoration: none;
}

.request:hover {
    background: #ed9f9f;
    background-image: -webkit-linear-gradient(top, #ed9f9f, #ed5c5c);
    background-image: -moz-linear-gradient(top, #ed9f9f, #ed5c5c);
    background-image: -ms-linear-gradient(top, #ed9f9f, #ed5c5c);
    background-image: -o-linear-gradient(top, #ed9f9f, #ed5c5c);
    background-image: linear-gradient(to bottom, #ed9f9f, #ed5c5c);
    text-decoration: none;
}

.map-container {
    width: 800px;
    max-width: 100%;
    height: 500px;
}

@media (max-width: 500px) {
    .details, .message {
        display: block;
        position: fixed;
        bottom: 0;
        background-color: #fafafa;
        width: 100%;
        padding: 12px 15px;
        border-top: 1px solid #ccc;
        box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    }

    .details .name {
        font-size: 1.2em;
        padding-left: 0;
    }

    .details .inc {
        padding: 10px 20px;
    }

    .new-task input {
        padding-bottom: 5px;
    }

    body {
        margin: 2em 0 4em 0;
    }

    .city:hover {
        background-color: inherit;
    }

    .city.selected:hover {
        background-color: #fefff4;
    }
}