/* cyrillic */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTUSjIg1_i6t8kCHKm459W1hyzbi.woff2) format('woff2');
    unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

/* vietnamese */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTUSjIg1_i6t8kCHKm459WZhyzbi.woff2) format('woff2');
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}

/* latin-ext */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTUSjIg1_i6t8kCHKm459Wdhyzbi.woff2) format('woff2');
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* cyrillic-ext */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 600;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_bZF3gTD_u50.woff2) format('woff2');
    unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}

/* cyrillic */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 600;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_bZF3g3D_u50.woff2) format('woff2');
    unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

/* vietnamese */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 600;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_bZF3gbD_u50.woff2) format('woff2');
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}

/* latin-ext */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 600;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_bZF3gfD_u50.woff2) format('woff2');
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 600;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_bZF3gnD_g.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* cyrillic-ext */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 700;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_dJE3gTD_u50.woff2) format('woff2');
    unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}

/* cyrillic */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 700;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_dJE3g3D_u50.woff2) format('woff2');
    unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

/* vietnamese */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 700;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_dJE3gbD_u50.woff2) format('woff2');
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}

/* latin-ext */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 700;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_dJE3gfD_u50.woff2) format('woff2');
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 700;
    src: url(https://fonts.gstatic.com/s/montserrat/v18/JTURjIg1_i6t8kCHKm45_dJE3gnD_g.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

body {
    font-family: Montserrat, sans-serif;
    font-size: small;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1 {
    font-weight: 600;
    font-size: 29px;
    line-height: normal;
    margin: 1em auto;
}

a {
    text-decoration: none;
    color:black;
}
a:visited {
    color: black;
}
a.current {
    color: #429b30;
}


header {
    position: inherit;
    top: 0;
    background-color: white;
    box-shadow: 0 1px 1px rgba(0, 0, 0, .075);
    font-weight: 600;
    font-size: 14px;
}

@media (min-width: 768px) {
    header {
        position: sticky;
    }
}
header > div {
    max-width: 85vw;
    margin: auto;
}

@media (min-width: 768px) {
    header > div {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
header nav {
    padding: 5px;
}

header nav ul {
    display: block;
    padding: 0;
}

@media (min-width: 768px) {
    header nav ul {
        display: flex;
    }
}

header nav ul li {
    display: block;
    padding-left: 1em;
    padding-right: 1em;
    margin-top: 1em;
}

header nav ul li a:hover {
    color: #626262;
}

main {
    display: flex;
    margin: 3em;
    justify-content: center;
    flex-wrap: wrap;
    flex-grow: 1;
}

h3 {
    padding-bottom: 0.3em;
    border-bottom: #dbdbdb solid 2px;
}

aside {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-right: 3em;
    margin-left: 3em;
    line-height: 1.5em;
    font-size: 14px;
    color: #626262;
    font-family: Open Sans,sans-serif;
}

aside h3 {
    color: black;font-weight: 500;
}

footer {
    padding-top: 2em;
    padding-bottom: 2em;
    border-top: #dbdbdb solid thin;
    font-size: x-small;
    display: flex;
    justify-content: center;
}

article {
    color: #626262;
    font-size: 14px;
    font-family: Open Sans,sans-serif;
    line-height: 1.7333;
    max-width: 825px;
    flex-grow: 1;
}
article h1{
    color: #2d2d2d;
    font-family: Montserrat,sans-serif;
    font-weight: 600;    font-size: 23px;
}
article p img{
    margin: auto;
    display: block;
    max-width: 80vw;
}
blockquote{
    border-left: #429b30 solid medium;
    margin: 0 0 26px;
    padding: 15px 0 15px 25px;
    font-style: italic;
}