Just-Read theme using Verdana as main font, a nice border around it and a sepia-like background.

just-read-verdana.css

@font-face {
    font-family: "Source Sans Pro Semibold";
    src: url("chrome-extension://dgmanlpmmkibanfdgjocnabmcaclkmod/fonts/SourceSansPro-Semibold.ttf");
}

@font-face {
    font-family: "Source Sans Pro Bold";
    src: url("chrome-extension://dgmanlpmmkibanfdgjocnabmcaclkmod/fonts/SourceSansPro-Bold.ttf");
}

@font-face {
    font-family: "Source Sans Pro Light";
    src: url("chrome-extension://dgmanlpmmkibanfdgjocnabmcaclkmod/fonts/SourceSansPro-Light.ttf");
}

@font-face {
    font-family: Verdana;
    src: local(C:\Windows\Fonts\verdana.ttf);
}

@media print {
    body {
        font-size: 9pt !important;
        color: rgb(51, 51, 51);
    }
}

@media screen {
    * {
        box-sizing: border-box;
        -webkit-box-sizing: border-box;
    }
}

@media (max-width: 750px) {
    .simple-container {
        padding-left: 50px;
        padding-right: 50px;
    }
}

@media (max-width: 450px) {
    .simple-container {
        padding-top: 30px;
        padding-left: 20px;
        padding-right: 20px;
    }
}

body {
    font-family: Verdana, sans-serif;
    line-height: 1.75em;
    font-size: 11pt;
    text-rendering: optimizelegibility;
    background-color: rgb(51, 51, 51);
    -webkit-font-smoothing: antialiased;
}

h1, h2 {
    font-family: "Source Sans Pro Bold", sans-serif;
    font-weight: 700;
}

h1 {
    font-size: 1.6em;
    line-height: 1.875em;
}

h2 {
    font-size: 1.25em;
    line-height: 1.5625em;
}

h3 {
    font-family: Verdana, sans-serif;
    font-size: 1em;
    line-height: 1.7em;
    padding-top: 0.9375em;
    padding-bottom: 0.9375em;
    border-bottom: 1px solid rgb(216, 216, 216);
    border-top: 1px solid rgb(216, 216, 216);
}

hr {
    height: 1px;
    background-color: rgb(216, 216, 216);
    border: none;
    width: 100%;
    margin: 0;
}

a[href] {
    color: rgb(237, 100, 43);
}

    a[href]:hover {
        color: rgb(78, 202, 255);
    }

.simple-container {
    margin: 50px auto;
    background-color: #FEF5E7;
    -webkit-print-color-adjust: exact;
    max-width: 1000px;
    border: 0.2em solid rgb(128, 139, 150);
    border-radius: 20px;
    padding: 50px;
}

.content-container {
    text-align: justify;
}

.simple-control,
.simple-control *,
.simple-edit * {
    fill: rgb(209, 209, 209);
    color: rgb(209, 209, 209);
    border-color: rgb(209, 209, 209);
}

.youtubeContainer {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    padding-top: 25px;
}

iframe[src*="youtube.com/embed/"] {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

img {
    max-width: 100%;
    display: block;
    margin: 0 auto;
    border-radius: 6pt;
    box-shadow: 3px 3px 5px rgb(51, 51, 51);
}

td img {
    box-shadow: none;
}

li {
    line-height: 1.5em;
}

pre {
    background-color: rgb(224, 224, 224);
    padding: 10px;
    overflow: auto;
}

blockquote {
    border-left: 4px solid;
    padding: 15px 10% 15px 8%;
    margin: 1em 0;
    font-size: 1.2em;
    line-height: 1.4;
}

    blockquote > :first-child {
        margin-top: 0;
    }

    blockquote > :last-child {
        margin-bottom: 0;
    }

figure {
    margin: 0 0 10px;
}

figcaption {
    font-size: 0.9em;
    opacity: 0.7;
    border: 1px solid rgb(238, 238, 238);
    padding: 17px 17px 12px;
}

table {
    background: rgba(255, 198, 0, 0.03);
    margin: 10px auto;
    border: none;
    box-shadow: rgb(190, 190, 190) 2px 2px 3px;
    border-spacing: 0;
    font: inherit;
    text-align: center;
}

table tr td,
table tr th,
table thead th {
    margin: 3px;
    padding: 5px;
    color: rgb(52, 58, 64);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

td
{
    background: rgba(0, 0, 0, 0.1);
}

th {
    background-color: rgb(210, 197, 175);
}

aside, [class*="sidebar"], [id*="sidebar"] {
    max-width: 90%;
    margin: 0 auto;
    border: 1px solid lightgrey;
    padding: 5px 15px;
}

.simple-date {
    display: inline-block;
    font-family: "Source Sans Pro Light", sans-serif;
    font-style: italic;
    font-size: 18px;
    padding-right: 15px;
    padding-top: 10px;
    padding-bottom: 10px;
    border-right: 1px solid rgb(216, 216, 216);
}

.rtl .simple-date {
    border-left: 1px solid rgb(216, 216, 216);
    border-right: none;
    padding-right: 0;
    padding-left: 15px;
}

.simple-author {
    display: inline-block;
    font-family: "Source Sans Pro Semibold", sans-serif;
    font-style: italic;
    font-size: 18px;
    color: rgb(39, 170, 225);
    line-height: 22px;
    padding-left: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.rtl .simple-author {
    padding-left: 0;
    padding-right: 10px;
}

::selection {
    background: yellow;
}

.emoji, svg.icon {
    width: 1em;
}