lubitest/assets/css/style.css

:root {
    --main-bg: #FFF;
    --main-color: #404040;
    --link-color: #0085A1;
    --header-link-color: #FFF;
    --heaver-link-hover-color: rgba(255, 255, 255, 0.8);
    --header-before-background-color: #aaa;
    --post-meta-color: #808080;
    --button-color: #555;
    --button-hover-color: #333;
    --border-hover-border-color: #888;
    --border-color-bbb: #bbb;
    --border-top-color: #e1e1e1;
    --border-input: #33c3f0;
    --border-input-default: #d1d1d1;
}

@media (prefers-color-scheme: dark) {
    :root {
        --main-bg: #404040;
        --main-color: #FFF;
        --button-color: var(--main-color);
        --button-hover-color: #888;
        --border-hover-border-color: #888
    }
}

.container {
    position: relative;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box
}

.columns {
    width: 100%;
    float: left;
    box-sizing: border-box
}

@media (min-width: 400px) {
    .container {
        width: 85%;
        padding: 0
    }
}

@media (min-width: 550px) {
    .container {
        width: 80%
    }

    .columns {
        margin-left: 4%
    }

    .columns:first-child {
        margin-left: 0
    }

    .one.columns {
        width: 4.66667%
    }

    .ten.columns {
        width: 82.66667%
    }

    .offset-by-one.columns {
        margin-left: 8.66667%
    }

    .offset-by-ten.columns {
        margin-left: 86.66667%
    }
}

html {
    font-size: 62.5%
}

body {
    margin: 0;
    font-size: 2em;
    line-height: 1.5;
    font-weight: 400;
    font-family: Verdana, Geneva, sans-serif;
    color: var(--main-color);
    background-color: var(--main-bg)
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-weight: 800;
    font-family: Verdana, Geneva, sans-serif
}

h1 {
    font-size: 3rem;
    line-height: 1.3;
    letter-spacing: -.1rem
}

h2 {
    font-size: 2.4rem;
    line-height: 1.35;
    letter-spacing: -.1rem
}

h3 {
    font-size: 1.8rem;
    line-height: 1.5;
    letter-spacing: -.08rem
}

h4 {
    font-size: 1.5rem;
    line-height: 1.6;
    letter-spacing: 0
}

h5 {
    font-size: 1.2rem;
    line-height: 1.8;
    letter-spacing: 0
}

h6 {
    font-size: 1rem;
    line-height: 2;
    letter-spacing: 0
}

@media (min-width: 550px) {
    h1 {
        font-size: 3.6rem
    }

    h2 {
        font-size: 3rem
    }

    h3 {
        font-size: 2.4rem
    }

    h4 {
        font-size: 1.8rem
    }

    h5 {
        font-size: 1.4rem
    }

    h6 {
        font-size: 1.2rem
    }
}

p {
    margin-top: 0
}

a {
    color: var(--link-color);
    text-decoration: none
}

a:hover {
    color: var(--main-color)
}

.navbar-checkbox {
    display: none
}

.headernav {
    line-height: 2em;
    width: 100%
}

.headernav a {
    color: var(--main-color)
}

.headernav a:hover {
    color: var(--link-color)
}

.headernav ul {
    transition: max-height .23s linear;
    text-align: center;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden
}

.headernav li {
    transition: visibility .23s linear;
    display: block;
    visibility: hidden
}

.headernav .brand {
    margin-left: .4em;
    line-height: 1.5em;
    font-size: 1.2em;
    font-weight: 600
}

.headernav .navbar-handle {
    position: absolute;
    right: .5em;
    top: .5em;
    padding: .5em 0;
    display: block;
    cursor: pointer;
    height: 0;
    width: 1.2em;
    border-top: .2em #000 solid
}

.headernav .navbar-handle:after, .headernav .navbar-handle:before {
    position: absolute;
    left: 0;
    right: 0;
    content: ' ';
    border-top: .2em #000 solid
}

.headernav .navbar-handle:before {
    top: .2em
}

.headernav .navbar-handle:after {
    top: .6em
}

#navbar-checkbox {
    display: none
}

#navbar-checkbox:checked + .headernav ul {
    max-height: 30em
}

#navbar-checkbox:checked + .headernav li {
    visibility: visible
}

@media (min-width: 750px) {
    .headernav {
        background: 0 0;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 3;
        width: 100%;
        padding-top: 20px;
        font-family: Verdana, Geneva, sans-serif;
        font-weight: 800;
        font-size: 1.2rem
    }

    .headernav ul {
        display: inline;
        max-height: 2em;
        float: right
    }

    .headernav ul li {
        display: inline;
        visibility: visible;
        text-transform: uppercase;
        letter-spacing: 1px
    }

    .headernav ul li a {
        padding: 20px
    }

    .headernav a {
        text-decoration: none;
        color: var(--header-link-color);
        line-height: 20px
    }

    .headernav a:hover {
        color: var(--heaver-link-hover-color)
    }

    .headernav .brand {
        float: left;
        padding: 0 20px;
        font-size: 1.8rem;
        font-weight: 800
    }

    .headernav .navbar-handle {
        display: none
    }
}

.site-heading {
    text-align: center
}

.post-heading, .site-heading {
    padding-top: 5rem;
    padding-bottom: 5rem;
    color: var(--header-link-color)
}

.post-heading hr, .site-heading hr {
    max-width: 100%;
    width: 100px;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    border: 0 var(--header-link-color) solid;
    border-top-width: 4px;
    height: 0
}

.post-heading .meta, .site-heading .meta {
    font-family: Georgia, serif;
    line-height: 2.2rem;
    font-style: italic
}

.intro-header {
    width: 100%;
    background: var(--post-meta-color);
    background: no-repeat 50%;
    background-attachment: scroll;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
    margin-bottom: 50px;
    position: relative
}

.intro-header::before {
    display: block;
    width: 100%;
    height: 100%;
    background-size: cover;
    content: ' ';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background-color: var(--header-before-background-color);
    filter: brightness(50%);
    -webkit-filter: brightness(50%)
}

@media (min-width: 750px) {
    .site-heading h1 {
        font-size: 8rem
    }

    .site-heading .subheading {
        font-size: 2.4rem;
        font-weight: 300;
        font-family: Verdana, Geneva, sans-serif
    }

    .post-heading h1 {
        font-size: 5.5rem
    }

    .post-heading .meta {
        font-family: Georgia, serif;
        line-height: 2.2rem;
        font-style: italic
    }

    .post-heading, .site-heading {
        padding-top: 8rem;
        padding-bottom: 8rem
    }
}

.copyright {
    font-size: .5em
}

.post-preview a {
    color: var(--main-color)
}

.post-preview a:hover {
    color: var(--link-color)
}

.post-preview h2 {
    margin-bottom: 0
}

.post-preview h4 {
    font-weight: 600
}

.post-preview .post-meta {
    color: var(--post-meta-color);
    font-family: Georgia, serif;
    font-size: 1.8rem;
    line-height: 1.5;
    font-style: italic
}

.pager {
    list-style: none
}

.button, button {
    display: inline-block;
    height: 38px;
    padding: 0 30px;
    color: var(--button-color);
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    line-height: 38px;
    letter-spacing: .1rem;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    background-color: transparent;
    border-radius: 4px;
    border: 1px solid var(--border-color-bbb);
    cursor: pointer;
    box-sizing: border-box
}

input[type=button], input[type=reset], input[type=submit] {
    display: inline-block;
    height: 38px;
    padding: 0 30px;
    color: var(--button-color);
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    line-height: 38px;
    letter-spacing: .1rem;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    background-color: transparent;
    border-radius: 4px;
    border: 1px solid var(--border-color-bbb);
    cursor: pointer;
    box-sizing: border-box
}

.button:hover, button:hover {
    color: var(--button-hover-color);
    border-color: var(--border-hover-border-color);
    outline: 0
}

input[type=button]:hover, input[type=reset]:hover, input[type=submit]:hover {
    color: var(--button-hover-color);
    border-color: var(--border-hover-border-color);
    outline: 0
}

.button:focus, button:focus {
    color: var(--button-hover-color);
    border-color: var(--border-hover-border-color);
    outline: 0
}

input[type=button]:focus, input[type=reset]:focus, input[type=submit]:focus {
    color: var(--button-hover-color);
    border-color: var(--border-hover-border-color);
    outline: 0
}

input[type=email], input[type=number], input[type=password], input[type=search], input[type=tel], input[type=text], input[type=url] {
    height: 38px;
    padding: 6px 10px;
    background-color: #fff;
    border: 1px solid var(--border-input-default);
    border-radius: 4px;
    box-shadow: none;
    box-sizing: border-box
}

input[type=email], input[type=number], input[type=password], input[type=search], input[type=tel], input[type=text], input[type=url] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none
}

input[type=email]:focus, input[type=number]:focus, input[type=password]:focus, input[type=search]:focus, input[type=tel]:focus, input[type=text]:focus, input[type=url]:focus {
    border: 1px solid var(--border-input);
    outline: 0
}

label {
    display: block;
    margin-bottom: .5rem;
    font-weight: 600
}

input[type=checkbox], input[type=radio] {
    display: inline
}

label > .label-body {
    display: inline-block;
    margin-left: .5rem;
    font-weight: 400
}

ul {
    list-style: circle inside
}

ul {
    padding-left: 0;
    margin-top: 0
}

ul ul {
    margin: 1.5rem 0 1.5rem 3rem;
    font-size: 90%
}

li {
    margin-bottom: 1rem
}

code {
    padding: .2rem .5rem;
    margin: 0 .2rem;
    font-size: 90%;
    white-space: nowrap;
    border: 1px solid var(--border-top-color);
    border-radius: 4px
}

pre > code {
    display: block;
    padding: 1rem 1.5rem;
    white-space: pre
}

.button, button {
    margin-bottom: 1rem
}

input {
    margin-bottom: 1.5rem
}

blockquote, p, pre, ul {
    margin-bottom: 2.5rem
}

.u-pull-right {
    float: right
}

.u-pull-left {
    float: left
}

hr {
    margin-top: 3rem;
    margin-bottom: 3.5rem;
    border-width: 0;
    border-top: 1px solid var(--border-top-color)
}

.container:after, .row:after {
    content: "";
    display: table;
    clear: both
}