body {
    --color1: #048;
    --color2: #2060fa;
    --color3: #c0a;
    --color6: #fff;
    --color7: #daede8;
    --color8: #d0d0d0;
    --itemBoxShadow: 0 0 1rem rgba(0, 0, 0, 0.1);
    --itemBoxShadowHover: 0 0 1rem rgba(0, 0, 0, 0.25);
    --baseTransition: 125ms all ease-in-out;
}

body {
    --linkColor: var(--color2);
    --linkHoverColor: var(--color3);
    --textColor: var(--color1);
    --itemBackgroundColor: var(--color6);
    --grayLabel: var(--color8);
    --infoBgColor: var(--color7);

    --titleSize: 1.6rem;
    --abstractTextSize: 1.2rem;
    --articleTitleTextSize: 1rem;
    
    --itemLabelFontSize: var(--titleSize);
    --codeFontSize: 0.8rem;
    
    --footerFontSize: 0.8rem;
}

html, body {
    font-size: 16px;
    line-height: 2rem;
    font-weight: 300;
    margin: 0;
    font-family: 'Glegoo', 'Varela Round', sans-serif;
    text-align: center;
}

h1 {
    margin: 0;
}

p {
    color: var(--textColor);
    margin: 0;
}

a {
    color: var(--linkColor);
    transition: var(--baseTransition);
}

a:hover {
    color: var(--linkHoverColor);
}

figure {
    margin: 0 auto;
}

pre {
    padding: 0;
    margin: 0;
}

code {
    font-size: var(--codeFontSize);
    direction: ltr;
    text-align: left;
    line-height: 1rem;
    cursor: text;
}

.sample {
    margin: 2rem 0;
}

.back-to-top {
    margin: 2rem 0 0;
}

header {
    padding-top: 2rem;
}
header .intro {
    padding: 2rem;
}

.site-title {
    display: inline-block;
    border: 10px double var(--textColor);
    border-left: none;
    border-right: none;
}
.site-title .text {
    text-transform: uppercase;
    border-left: none;
    border-right: none;
    display: inline-block;
    letter-spacing: 0.4rem;
    line-height: 6rem;
    font-weight: 100;
    color: var(--textColor);
    font-size: var(--titleSize);
}
.site-title a {
    border: none;
}

.content code {
    height: 150px;
    opacity: 0.4;
}

.item {
    background: var(--itemBackgroundColor);
    box-shadow: var(--itemBoxShadow);
    transition: var(--baseTransition);
    border-radius: 6px;
    margin: 1rem 1rem 0 0;
    display: inline-block;
    overflow: hidden;
    position: relative;
    width: 25vw;
    vertical-align: top;
}
.item .item-source {
    border-top: 1px solid #f0f0f0;
    overflow: hidden;

}
.item:hover .item-source {
    border-top: 1px solid transparent;
    box-shadow: var(--itemBoxShadow);
}
.item-label {
    line-height: 6rem;
    color: var(--textColor);
    font-size: var(--itemLabelFontSize);
    letter-spacing: 0.1rem;
    font-weight: 100;
    margin: 0;
}
.item-meta {
    padding: 6rem 0;
}
.item-source {
    overflow-x: scroll;
}
.item-source,
.item-source pre code  {
    height: 150px;
    padding-left: 0.75rem;
}
.item:hover {
    box-shadow: var(--itemBoxShadowHover);
    opacity: 1;
}
.item:hover .label {
    opacity: 1;
}
.item:hover code {
    opacity: 1;
}
.item:hover pre {
    display: block;
}
.item .label {
    font-size: var(--titleSize);
    letter-spacing: -0.1rem;
    width: 100%;
}

.read-more .more-info {
    border: 1px solid #d0d0d0;
    position: absolute;
    top: -3rem;
    left: 1rem;
    width: 24px;
    height: 24px;
    line-height: 24px;
    border-radius: 50%;
    font-weight: 900;
    transition: var(--baseTransition);
}

.item:hover .read-more .more-info {
    transition: none;
    top: 1rem;
}
.item:hover .read-more .more-info:hover {
    transition: none;
    border-color: var(--color3);
}

/* container */
.container:not(.content) .container-inner {
    max-width: 960px;
    margin: 0 auto;
}

.container.info {
    background: var(--infoBgColor);
    color: var(--textColor);
    margin: 4rem 0 0;
    padding: 4rem 2rem;
    overflow: hidden;
}
.container.info pre {
    margin-bottom: 2rem;
}
.container.info code {
    padding: 0 1rem;
    box-shadow: var(--itemBoxShadow);
    background: rgba(255, 255, 255, 0.7);
    transition: var(--baseTransition);
}
.container.info code:hover {
    box-shadow: var(--itemBoxShadowHover);
}
.container.info code {
    border-radius: 6px;
}
.container.info .container-title {
    /* font-weight: 700; */
    letter-spacing: 0.4rem;
    font-size: var(--titleSize);
    text-transform: uppercase;
    margin: 0;
}
.container.info .article-title {
    margin: 3rem auto 1rem;
    font-weight: 300;
    font-size: var(--articleTitleTextSize);
}
.container.info .article-title::after {
    border: 5px solid red;
    width: 50px;
    height: 3px;
    position: absolute;
    background: blue;
    left: 0;
    top: 0;
}
.abstract {
    font-size: var(--abstractTextSize);
}

.container.meta .container-inner {
    padding: 2rem;
}
.container.meta p {
    line-height: 2rem;
}

.container.footer {
    font-size: var(--footerFontSize);
}
.container.footer .container-inner {
    padding: 3rem 0;
}
.container.footer .iconList {
    list-style: none;
    margin: 0;
    padding: 0;
}
.container.footer .iconContainer {
    display: inline-block;
    margin: 0 0.25rem;
    vertical-align: top;
}
.container.footer .icon {
    background-repeat: no-repeat;
    display: inline-block;
    height: 18px;
    vertical-align: top;
    width: 21px;
}
.container.footer .icon img {
    height: 18px;
    transition: var(--baseTransition);
    width: 21px;
}
.container.footer .icon:hover {
    filter: invert(10%) sepia(100%) saturate(7093%) hue-rotate(305deg) brightness(93%) contrast(101%);
}
.container.footer .license {
    margin: 0 0.35rem;
}
.container.footer .license::before {
    content: '(';
}
.container.footer .license::after {
    content: ')';
}
.icon.facebook {
    background-image: url(../assets/svg/footer/facebook-f.svg);
}
.icon.instagram {
    background-image: url(../assets/svg/footer/instagram.svg);
}
.icon.github{
    background-image: url(../assets/svg/footer/github-alt.svg);
}
.icon.twitter {
    background-image: url(../assets/svg/footer/twitter.svg);
}
.icon.linkedin {
    background-image: url(../assets/svg/footer/linkedin.svg);
}