
article, aside, details, dl, dt, dd, figcaption, figure, footer, header, hgroup, hr,
main, menu, nav, section, summary {
display: block;
}
audio, canvas, progress, video {
display: inline-block;
}
.ie audio, .ie canvas, .ie progress, .ie video {
display: inline;
}
audio:not([controls]), template, [hidden] {
display: none;
}
button, img, progress {
vertical-align: baseline;
}
audio:not([controls]), hr {
height: 0;
}
html, body, iframe, div, h1, h2, h3, h4, h5, h6, p, blockquote, figure,
dl, dt, dd,
table, thead, tbody, tr, th, td,
mtable, mtr, mth, mtd,
form, legend, fieldset, label,
a, b, q, span, img, abbr, code, pre, tt,
hr {
background: transparent;
font-size: 1em;
border: 0;
margin: 0;
padding: 0;
outline: 0;
}
html, body {
font-family: "DejaVu Sans", Verdana, Geneva, Tahoma, sans-serif;
font-size: 16px;
line-height: 1.5em;
-webkit-text-size-adjust: 100%;
-ms-text-size-adjust: 100%;
text-size-adjust: 100%;
background: #ffffff;
color: #000000;
}
h1, h2, h3, h4, h5, h6 {
font-weight: normal;
}
hr {
-moz-box-sizing: content-box;
box-sizing: content-box;
color: #000000;
}
q, blockquote, .uQuote {
font-style: italic;
quotes: none;
}
q:before, q:after {
content: "";
content: none;
}
.uQuote:before {
content: '"';
font-style: italic;
font-size: 1.5em;
}
.uQuote:after {
content: '"';
font-style: italic;
font-size: 1.5em;
}
pre {
white-space: pre-wrap;
}
pre, tt, code {
font-family: monospace;
line-height: 1em;
font-size: 15px;
}
p, dt, dd {
-webkit-hyphens: auto;
-moz-hyphens: auto;
-ms-hyphens: auto;
-o-hyphens: auto;
hyphens: auto;
margin: 0.25em 0;
}
table, tbody, thead, tfoot, tr, th, td {
border-collapse: collapse;
border-spacing: 0;
}
sub, sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sup {
top: -0.5em;
}
sub {
bottom: -0.25em;
}
small {
font-size: 0.8em;
}
a {
outline: none;
text-decoration: none;
color: rgba(60, 134, 133, 1);
}
a:hover {
color: #dd6900;
}
svg,
img, input.image {
max-width: 100%;
max-height: 100%;
margin: 0;
padding: 0;
}
figure svg,
figure img {
width: 100%;
}
figure {
text-align: center;
}
figure figcaption {
text-variant: small-caps;
}
label {
display: inline-block;
margin-right: 0.5em;
}
@page {
margin: 0.25cm 0cm;
page-orientation: upright;
}
@page rotateOnLeft {
size: landscape;
page-orientation: rotate-left;
}
@page rotateOnRight {
size: landscape;
page-orientation: rotate-right;
}
.container {
display: block;
width: 100%;
margin: 0;
padding: 0;
text-align: center;
}
.inner {
display: block;
width: 680px;
margin: 0 auto;
padding: 0;
}
.u0,
.u05, .u1m, .u1, .u13, .u15, .u1p, .u2m, .u2, .u25, .u3, .u4 {
display: inline-block;
width: auto;
margin: 0;
padding: 10px;
text-align: left;
vertical-align: top;
}
.c0,
.c05, .c1m, .c1, .c13, .c15, .c1p, .c2m, .c2, .c25, .c3, .c4 {
display: block;
width: auto;
margin: 0;
padding: 10px;
text-align: left;
}
.c0,
.c1, .c15, .c1p, .c2, .c25, .c3 {
float: left;
}
.c4, .clear {
clear: both;
}
.u4, .c4 {
width: 660px;
}
.u3, .c3 {
width: 490px;
}
.u25, .c25 {
width: 405px;
}
.u2m, .c2m,
.u2, .c2 {
width: 320px;
}
.u15, .c15 {
width: 235px !important;
}
.u13, .c13 {
width: 200px;
}
.u1m, .c1m,
.u1p, .c1p {
width: 150px;
}
.u1, .c1 {
width: 150px;
}
.u05, .c05 {
width: 65px !important;
}
@media print, (min-width: 681px) {
.os {
display: none !important;
}
.on_right {
float: right !important;
}
.on_left {
float: left !important;
}
}
@media screen and (max-width: 680px) {
.hs {
display: none !important;
}
.inner {
width: 340px;
}
.u4, .u3, .u25, .u1p, .c4, .c3, .c25, .c1p {
width: 320px;
}
.u2m, .c2m,
.u13, .c13,
.u1, .c1 {
width: 150px !important;
}
.u1m, .c1m {
width: 65px !important;
}
}
.icon a {
display: inline-block;
text-align: center;
}
.icon img {
width: 32px;
height: 32px;
border-radius: 7px;
margin-right: 5px;
}
.icon a img {
padding: 10px;
background: #444444;
display: block;
margin: auto;
}
.icon a:hover img {
background: #dd6900;
}
.r9x16, .r16x9, .r3x4, .r4x3, .r1x1 {
position: relative;
height: 0;
width: 100%;
padding-bottom: 100%;
overflow: hidden;
}
.r9x16 iframe, .r16x9 iframe,
.r3x4 iframe, .r4x3 iframe, .r1x1 iframe {
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 100%;
}
.r4x3 {
padding-bottom: 75%;
}
.r3x4 {
padding-bottom: 133.33%;
}
.r9x16 {
padding-bottom: 177.77%;
}
.r16x9 {
padding-bottom: 56.25%;
}
.uMarginbox {
padding: 5px;
margin: 5px;
background: #fff;
}
.uHuge {
font-size: 1.2em;
}
.uSmall {
font-size: 0.9em;
}
.uTiny {
font-size: 0.8em;
}
.uLeft {
text-align: left !important;
}
.uCenter {
text-align: center !important;
}
.uRight {
text-align: right !important;
}
.uMiddle {
vertical-align: middle !important;
}
.uBottom {
vertical-align: bottom !important;
}
.uBox {
background: #ffffff;
border: 1px solid #bbbbbb;
border-radius: 7px;
padding: 9px;
}
.uDoublebox  {
background: #ffffff;
border: 5px double #000000;
padding: 5px;
}
.uDoublebox b {
font-size: 1.2em;
font-weight: normal;
}
.uWarning {
background-color: #eedddd;
border-color: #eedddd;
color: #bb3333;
}
.uWarning a {
border-bottom: 1px dashed #440000;
color: #440000;
}
.uAbstract {
font-style: italic;
}
.uIndent {
}
.uIndent > *:first-child {
border-left: 20px solid transparent;
}
.uFixed table {
table-layout: fixed;
width: 100%;
}
.uBordered td {
border: 1px solid #999;
padding: 5px 10px;
}
.uY td + td {
text-align: center;
}
.uY tr:first-child td {
font-weight: bold;
}
.uY tr td:first-child {
font-weight: bold;
text-align: right;
background: #ddd;
}
.uX td {
text-align: right;
}
.uX td + td {
text-align: center;
}
.uX tr td:last-child {
text-align: left;
}
.uX tr td:first-child {
font-weight: bold;
}
.uXrotated tr:first-child td {
writing-mode: vertical-rl;
transform: rotate(180deg);
text-align: left !important;
vertical-align: top;
padding: 10px;
}
.box {
display: block;
background: #ffffff;
color: #000;
border: 2px solid #777777;
border-radius: 7px;
padding: 5px 10px;
}
b.box {
background-color: #dddddd;
border-color: #dddddd;
font-weight: normal;
}
.box a,
.box input,
.box textarea {
background: transparent;
color: inherit;
border: 0;
padding: 0;
margin: 0;
width: 100%;
}
.box, .box input {
font-size: 1em;
}
.ok {
background: #444444;
color: #eeeeee;
text-align: center;
}
.ok a:hover,
.ok input:hover {
color: #dedede !important;
}
.one {
height: 1px;
width: 1px;
}
.hidden, .help, .off, *:target .on {
position: fixed;
left: -2000px;
}
.help:target, *:target .off, .on {
position: static;
left: 0;
}
.transparent, .fullscreen:target {
background-color: rgba(255,255,255,0.7) !important;
}
.on_middle  {
position: relative;
height: 5em;
}
.fullscreen:target, .fullscreen:target > *, .on_middle > * {
display: block !important;
left: 0 !important;
width: 100% !important;
margin: 0 !important;
padding: 0 !important;
}
.fullscreen:target {
position: fixed !important;
top: 0 !important;
height: 100% !important;
min-height: 750px !important;
z-index: 2000 !important;
}
.fullscreen:target > *, .on_middle > * {
position: absolute !important;
top: 50% !important;
transform: translateY(-50%) !important;
}
.fullscreen:target > * > * {
background: #ffffff;
color: #000000;
border: 2px solid #777777;
border-radius: 7px;
}
@media print {
.hp {
display: none !important;
}
}
@media  (min-width: 681px) {
.uOnright {
float: right;
}
.uOnleft {
float: left;
}
.uTwocolumns {
column-count: 2;
}
.uThreecolumns {
column-count: 3;
}
}
@media screen and (max-width: 680px) {
.osIndent {
border-left: 20px solid transparent;
}
.osBR {
display: block;
}
}
.op {
display: none !important;
}
@media print {
.op {
display: block !important;
}
.hp {
display: none !important;
}
.uAlone, .uBreak, .uEnd, .uLandscape {
display: block !important;
}
.uAlone, .uBreak, .uLandscape {
page-break-before: always;
break-before: always;
}
.uAlone, .uEnd, .uLandscape {
page-break-after: always;
break-after: always;
}
.uEnd {
}
.uLandscape {
page: rotateOnRight;
}
}
figure {
-webkit-box-shadow: 0 25px 30px -30px #000;
-moz-box-shadow: 0 25px 30px -30px #000;
-ms-box-shadow: 0 25px 30px -30px #000;
-o-box-shadow: 0 25px 30px -30px #000;
box-shadow: 0 25px 30px -30px #000;
background: #ffffff;
border: solid 7px #ffffff;
position: relative;
margin: 0 0px 30px 0px;
}
figcaption {
font-variant: small-caps;
font-size: 0.9em;
padding: 0.5em 0;
background: #eee;
}
fieldset {
background: #dddddd;
}
h1 {
line-height: 2em;
font-size: 1.5em;
}
h1 small {
display: block;
font-size: 0.65em;
line-height: 1.5em;
}
label.c0 {
padding: 7px 0;
}
.uImportant {
padding: 10px 7px;
background: #f0f8f8;
border-left: 6px solid rgba(60, 134, 133, 1);
}
.uImportant b {
letter-spacing: -1px;
color: rgba(60, 134, 133, 1);
}
@media screen {
html, body {
background: #eee;
color: #444;
}
}
.text * + h2 {
margin-top: 2em;
}
.displayStyleDefault h2 {
line-height: 1.7em;
letter-spacing: -1px;
margin-bottom: 1em;border-bottom: 1px dashed #444;
}
.displayStyleDefault h2:first-letter {
background: #444444;
color: #eeeeee;
margin-right: 1px;
padding: 5px 5px 5px 10px;
}
.displayStyleDefault h3 {
font-weight: bold;
letter-spacing: -1px;
}
pre {
background: #dddddd;
font-size: 0.9em;
}
@media screen and (min-width: 681px) {
pre {
white-space: pre;
overflow-x: auto;
text-overflow: ellipsis;
}
pre:hover {
white-space: pre-wrap;
}
}
.container {
background: #eeeeee;
color: #222;
}
html, body, header.container, footer.container {
background: #444444;
color: #ddd;
}
header.container {
background: #222222;
border-bottom: 10px solid #ccc;
}
footer.container {
background: #444444;
border-top: 10px solid #222;
}
header.container a,
footer.container a {
color: #f99;
border-bottom: 1px dashed transparent;
}
footer.container a:hover {
border-color: #f99;
}
form.inner {
background: #dddddd;
border-radius: 7px;
}
dl.inner {
background: #dddddd;
border-radius: 7px;
}
dl.inner + dl.inner {
margin-top: 2px;
}
dl.inner:hover {
background: #bbbbbb;
}
#before div.inner + div.inner {
background: #ccc; border-radius: 7px; font-size: 0.9em;
}
#before div.inner + div.inner nav {
border-top: 1px dashed #fff;
}
#before div.inner + div.inner + div.inner {
background: #ccc; border-radius: 7px; font-size: 0.9em;
}
.social a,
.social img,
.social b {
vertical-align: middle;
}
.social small,
.social .title {
display: none;
}
.social a img {
background: #000; padding: 10px; margin: 0 5px; width: 25px; height: 25px; border-radius: 7px;
}
.social a:hover img {
background: #dd6900 !important;
}
.circle-svg {
display: block;
margin: 10px auto;
max-height: 100px;
}
.circle-svg text {
text-align:center;
color:black;
font-size:10px
}
.circle-svg path.percent {
stroke: rgba(60, 134, 133, 1);
stroke-width: 2.8;
stroke-linecap: round;
fill: none;
animation: progress 1s ease-out forwards;
}
.circle-svg path.around {
stroke: #c4c4c4;
stroke-width: 2.8;
fill: none;
}
.ads {
min-height: 170px;
background: #fff !important;
font-size: 0.9em;
line-height: 1.3em;
color: #555;
}
#ads a.icon img {
float: left;
}
#site-menu span a {
width: 90px;
margin: 5px;
padding: 15px 0 5px 0;
background: #444444;
border: 1px solid #444444;
border-radius: 7px;
color: #fff;
font-size: 0.9em;
}
#site-menu span a img {
background: transparent;
}
#site-menu span:hover a {
background: #dd6900;
text-decoration: underline;
}
#site-menu span.is_active a {
background: rgba(60, 134, 133, 1);
}
@keyframes progress {
0% {
stroke-dasharray: 0 100;
}
}
@media (min-width: 1121px) {
.ads {
position: fixed;
top: 0;
width: 170px;
min-height: 100%;
}
footer .ads {
left: 0;
}
header .ads {
right: 0;
}
}
@media (min-width: 681px) {
#site-menu {
text-align: left;
}
#site-menu .c2 {
float: right;
}
}
@media screen and (max-width: 680px) {
#site-menu,
#site-menu-control {
background: #444;
position: fixed;
top: 0;
}
#site-menu-control {
right: 0px;
padding: 10px;
text-align: right;
z-index: 100;
}
#site-menu {
color: #fff;
z-index: 1000;
right: -975px;
height: 100%;
border-left: 1px solid #fff;
transition: right 200ms ease 0s; -webkit-transition: right 200ms ease 0s; -moz-transition: right 200ms ease 0s; -ms-transition: right 200ms ease 0s; -o-transition: right 200ms ease 0s;
}
#site-menu dt {
visibility: hidden;
}
#site-menu:target {
right: 0px;
}
#site-menu .os {
text-align: right;
border-bottom: 1px solid #999;
margin: 10px;
padding: 0 0 10px 0;
}
#site-menu * + .os {
margin-top: 2.5em;
border-bottom: 0;
}
#site-menu .os + .os {
margin-top: 0.5em;
}
}
.displayStyleArticle .uImportant {
padding: 10px 7px;
background: #F0F9F8;
border-left: 6px solid #3D8684;
}
.displayStyleArticle .uImportant b {
letter-spacing: -1px;
color: #3D8684;
}
.displayStyleArticle .uImportant tt {
font-style: normal;
color: #009;
border-bottom: 1px solid #009;
}
.displayStyleArticle .uWarning b {
letter-spacing: -1px;
}
.displayStyleArticle h2 {
margin-top: 1em;
font-size: 1.2em;
color: #3D8684;
font-variant: small-caps;
}
.displayStyleArticle h3 span {
width: auto;
color: #3D8684;
border-bottom: 2px solid #3D8684;
}
.displayStyleArticle h2 span {
border-left: 50px solid #3D8684;
padding-left: 10px;
font-variant: small-caps;
}
.displayStyleArticle #cover {
display: none;
}
.uQuestion {
position: relative;
}
.uQuestion > span b {
position: absolute;
left: -1em;
}
.uResponse {
background: #ddd;
}
h2.uResponse {
background: transparent;
}
.uEqn tr,
.uEqn td {
vertical-align: middle;
}
.uEqn td {
text-align: right;
}
.uEqn td + td {
text-align: center;
padding-left: 0.5em;
}
.uEqn td:last-child {
text-align: left;
}
.uConvert td {
font-size: 0.8em;
padding: 5px;
border: 1px solid #000;
text-align: center;
min-width: 1.5em;
}
.uDivision tr:nth-child(even) td {
border-bottom: 1px solid #000;
}
.uDivision tr td:last-child {
border-bottom: 0;
border-left: 1px solid #000;
}
.uDivision tr td.isEmpty {
border-bottom: 0;
}
.uDivision tr:first-child + tr td:last-child {
border-top: 1px solid #000;
}
.uSoustraction tr:first-child + tr + tr td,
.uAddition tr:first-child td {
color: #900;
font-size: 0.8em;
padding-top: 0;
padding-bottom: 0;
}
.uSoustraction tr:last-child td,
.uAddition tr:last-child td {
border-top: 1px solid #000;
}
.uMultiplication tr:first-child + tr td {
border-bottom: 1px solid #000;
}
.uMultiplication tr:last-child td {
border-top: 1px solid #000;
}
header.container {
background: #eee; color: #000; border-bottom: 0;
}
header.container h1 {
text-align: center;
}
@media (min-width: 681px) {
header.container {
background: url('maths.png') center bottom no-repeat #eee;
}
header.container .inner h1 {
padding: 100px 0 50px 0 !important;
}
}
@media screen and (max-width: 680px) {
html, body {
background: #eee !important;
}
#before:target {
display: block !important;
position: fixed !important;
top: 0 !important;
left: 0px !important;
z-index: 2000 !important;
height: 100% !important;
min-height: 800px !important;
}
#before:target nav {
display: none !important;
}
#before:target div {
position: relative;
top: 10px;
}
#before:target p {
text-align: center;
}
#before:target h1 {
line-height: 1.5em;
position: absolute;
top: 150px;
left: 0px;
}
#before:target br {
margin-bottom: 1em;
}
body:has(#before:target) header.container,
body:has(.text > *:target) header.container,
body:has(.text > *:target) #before,
body:has(.text > *:target) #after,
body:has(.text > *:target) #adsBefore,
body:has(.text > *:target) #adsAfter,
body:has(.text > *:target) footer.container {
display: none !important;
}
.text > *:target {
}
.text > *:target ~ * {
display: none;
}
.text > *:target + #uId1000{
display: block;
}
}
@media print  {
html, body, .container {
background: #fff !important;
color: #000 !important;
}
#before {
page-break-before: always;
break-before: always;
page-break-after: always;
break-after: always;
}
#before nav {
display: none !important;
}
#before div {
position: relative;
top: 10px;
}
#before p {
text-align: center;
}
#before h1 {
position: absolute;
top: 200px;
left: 0px;
}
}