www/styles.css

/* base CSS */
* {
  -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
  -moz-box-sizing: border-box;    /* Firefox, other Gecko */
  box-sizing: border-box;         /* Opera/IE 8+ */
}

html, body {
  padding: 0;
  margin: 0;
}
body {
  color: #324150;
  background: #fff;
  font-family: sans-serif;
  font-size: 70%;
  text-align: justify;
  text-justify: auto;
}

a {
  color: #13c8e8;
  -webkit-transition: all 0.25s ease-out;
  -moz-transition: all 0.25s ease-out;
  transition: all 0.25s ease-out;
  text-decoration: none;
}
  a:visited {
    color: #1a4159;
  }
  a:hover, a:focus {
    color: #0599c2;
    text-decoration: underline;
  }
abbr {
  border: none;
  text-transform: uppercase;
  font-size: 0.9em;
  letter-spacing: 0.01em;
}
header {
  height: 230px;
  padding: 20px 0 70px 0;

  background: #2d4b63 50% 0 url(fond_titre.png) no-repeat; /* old IE fallback */

  background-attachment: fixed, scroll;
  background-image: url(images_externes/electronic.png), url(fond_titre.png);
  background-position: 0 0, 0 50%;
  background-repeat: repeat, no-repeat;
  background-size: auto, cover;
  text-align: center;
}


h1, h2 {
  padding: 0 10%;
  margin: 0;
  color: #fff;
  font-weight: normal;
}
h1 {
  padding-top: 0;
  padding-bottom: 5px;
  border-bottom: none;
  font-family: 'Julius Sans One', sans-serif;
  font-size: 4em;
  text-transform: uppercase;
}
h1::before {
  display: inline-block;
  position: relative;
  top: 20px;
  content: "";
  width: 50px;
  height: 50px;
  margin: -20px 20px 10px -10px;
  background: url(logo_a-lec.svg);
  background-repeat: no-repeat;
  background-size: 100%;
  shape-rendering: geometricPrecision;
  opacity: 0.8;
}
h2 {
  display: block;
  padding-top: 5px;
  padding-bottom: 30px;
  border-top: none;
  color: rgba(255,255,255,0.6);
  font-size: 2em;
  font-style: italic;
}
h2::before {
  content: " ";
  padding: 50px;
}
h3 {
  margin: 2em 0 0 0;
  color: #2e394c;
  font-family: 'Julius Sans One', sans-serif;
  font-size: 1.8em;
  font-weight: normal;
  text-transform: uppercase;
}
p {
  margin: 0.75em 0;
  line-height: 2;
}


.page-wrapper {
  position: relative;
}
.summary, .preamble {
  width: 80%;
  margin: 0 auto;
}
.supporting h3, .supporting p {
  width: 80%;
  margin-left: auto;
  margin-right: auto;
}

.summary {
  padding-top: 2em;
}


/* introduction block links */
.introduction a, .introduction a:visited {
  position: relative;
  display: inline-block;
  padding: 1px 2px 1px 2px;
  margin: -1px -2px -1px -2px;
  -webkit-border-radius: 1px;
  -moz-border-radius: 1px;
  border-radius: 1px;

  color: #7e8e9b;
  font-family: 'Julius Sans One', sans-serif;
  text-transform: uppercase;
}
.introduction a:hover, .introduction a:focus {
  z-index: 2;
  color: #fff;
  background: #3d8a9f;
  text-decoration: none;
}

/* coloured cutoff */
div.apropos, div.apropossuite {
  background-attachment: scroll, scroll, fixed;
  background-color: #dcd0a8;
  background-image: url();
  background-repeat: repeat, repeat, no-repeat;
  background-size: auto, auto, cover;
}
/* extra padding at the cutoffs */
div.apropos {
  padding: 3em 0;
  margin-top: 3em;
}
div.apropossuite {
  padding-bottom: 3em;
  margin-bottom: 3em;
}
div.apropos h3, div.apropossuite h3 {
  margin-top: 0;
}
div.apropos p, div.apropossuite p {
  margin-bottom: 0;
}
.supporting a {
  text-decoration: underline dotted;
}


/* sidebar base styles */
.sidebar {
  background: #eadde4;
}
.sidebar h3 {
  display: none;
}
.sidebar a {
  color: #685655;
  text-decoration: none;
}
  .sidebar a:hover, .sidebar a:focus {
    color: #385d74;
  }
.sidebar ul {
  padding: 0;
  margin: 0;
  list-style: none;
  overflow: hidden;
}


/* shared sidebar styling */
.latest-articles ul, .a-lec-resources ul {
  margin: 0;
  text-align: left;
}
.latest-articles li, .a-lec-resources li {
  float: left;
  width: 50%;
  padding: 5% 10%;
  border-top: solid 1px #e3d9e0;
  color: #cac3c0;
  font-style: italic;
}
  .latest-articles li:hover, .latest-articles li:focus {
    background: -moz-linear-gradient(left,  rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,rgba(255,255,255,0)), color-stop(50%,rgba(255,255,255,0.5)), color-stop(100%,rgba(255,255,255,0))); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(left,  rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(left,  rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(left,  rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%); /* IE10+ */
    background: linear-gradient(to right,  rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0) 100%); /* W3C */
  }
.latest-articles li:nth-child(2n+1), .a-lec-resources li:nth-child(2n+1) {
  clear: left;
}
.latest-articles .latest-article-name, .a-lec-resources a, li.viewall a {
  display: block;
  margin-bottom: 0.25em;
  font-family: 'Julius Sans One', sans-serif;
  font-size: 1.2em;
  font-style: normal;
  text-transform: uppercase;
}


/* select an article */
.latest-articles h3 {
  display: none;
}
.latest-articles .author-name {
  color: #576168;
  font-size: 0.9em;
  font-style: normal;
}

/* resources */
.a-lec-resources {
  overflow: hidden;
  background-color: #fafafa;
  background-image: url();
}
.a-lec-resources li {
  border-top: solid 1px #a0b9ad;
  font-style: normal;
}
.a-lec-resources li:last-child {
  float: none;
  width: auto;
  border-bottom: none;
}


/* busting out the credits block */
.adhesion p:nth-child(5) {
  padding-bottom: 2em;
}
.supporting .adhesion {
  float: none;
  clear: both;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}
.adhesion a {
  text-decoration: underline dotted;
}
  .supporting .adhesion a:hover, .supporting .adhesion a:focus {
    text-decoration: underline;
  }
.supporting .adhesion h3 {
  padding-top: 0;
}
.adhesion p:last-child {
  width: auto;
  padding: 1em 12%;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  background: #3e5d67;

  background-attachment: fixed, scroll;
  background-image: url(images_externes/electronic.png), url(fond_titre.png);
  background-position: 0 0, 0 50%;
  background-repeat: repeat, no-repeat;
  background-size: auto, cover;

  font-size: 1.15em;
  font-style: italic;
  text-align: center;
}
.adhesion p:last-child a {
  color: rgba(255, 255, 255, 0.7);
  font-style: normal;
}



/* main footer */
footer {
  clear: both;
  padding: 3em 10%;
  color: #fff;
  background: #324150;
  text-align: center;
}
footer a {
  display: inline-block;
  overflow: hidden;
  width: 40px;
  height: 40px;
  padding: 40px 0 0 0;
  margin: 0 0.5em;
  position: relative;
  color: rgba(255, 255, 255, 0.5);
  -webkit-transition: color 0.25s ease-out, box-shadow 0.25s ease-out;
  -moz-transition: color 0.25s ease-out, box-shadow 0.25s ease-out;
  transition: color 0.25s ease-out, box-shadow 0.25s ease-out;
}
footer a:hover, footer a:focus {
  color: rgba(255, 255, 255, 0.3);
  text-decoration: none;
}
footer a:visited {
  color: rgba(255, 255, 255, 0.2);
}
footer a::before {
  display: block;
  position: absolute;
  top: 3px;
  left: 0;
  overflow: visible;
  font-size: 36px;
  text-indent: 0;

  /* icomoon.io defaults */
  font-family: sans-serif;
  speak: none;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
}


/* low-res CSS */
@media only screen and (max-width: 600px) {

  /* these download links make approximately zero sense
     on a phone without a user-accessible file system. */
  .summary p:last-child {
    display: none;
  }

  /* type adjustments */
  h1 {
    margin-top: 30px;
    font-size: 2.5em;
  }
  h1::before {
    width: 50px;
    height: 50px;
  }
  h2::before {
    padding: 25px;
  }
  
  .adhesion p:last-child {
    padding: 1em 6%;
  }

}


@media only screen and (max-width: 500px) {

  header {
    height: 250px;
    padding-top: 0;
  }
  h1 {
    margin: 0;
  }
  h1::before {
    display: block;
    left: 50%;
    width: 50px;
    height: 50px;
    margin: 0 0 0 -25px;
    padding: 0 0 35px 0;
  }
  h2::before {
    padding: 0;
  }
}

@media only screen and (max-width: 320px) {

    /* adjusting the site header type size */
    h1 {
        font-size: 2em;
    }
    h2 {
        font-size: 1.3em;
    }

    /* linearizing the design list on small screens */
    .latest-articles li, .a-lec-resources li {
        float: none;
        width: 100%;
    }

    /* adjusting footer type, icons */
    .adhesion p:last-child {
        font-size: 1.4em;
    }
    footer {
        padding: 2em 5%;
    }
    footer a {
        width: 35px;
        height: 35px;
        padding: 35px 0 0 0;
        margin: 0 0.5em;
    }
    footer a::before {
        font-size: 32px;
    }

}


/* mid-res CSS */
@media only screen and (max-width: 1132px) {
  header {
    border-top: solid 10px rgba(19, 67, 71, 0.9);
  }
  p, li {
    font-size: 1.2em;
  }
}

@media only screen and (min-width: 500px) and (max-width: 1150px) {

  .adhesion p:last-child {
    padding-bottom: 2em;
    padding-top: 2em;
  }

  /* page footer */
  footer {
    padding: 3em 0;
  }
  footer a {
    width: 52px;
    height: 52px;
    padding: 52px 0 0 0;
    margin: 0 2em;
  }
  footer a::before {
    font-size: 48px;
  }
}


/* high-res CSS */
@media only screen and (min-width: 1132px) {
  body {
    background: #ffffff;
    background: -moz-linear-gradient(left,  #ffffff 0%, #ffffff 66%, #fafafa 66%, #fafafa 100%);
    background: -webkit-gradient(linear, left top, right top, color-stop(0%,#ffffff), color-stop(66%,#ffffff), color-stop(66%,#fafafa), color-stop(100%,#fafafa));
    background: -webkit-linear-gradient(left,  #ffffff 0%,#ffffff 66%,#fafafa 66%,#fafafa 100%);
    background: -o-linear-gradient(left,  #ffffff 0%,#ffffff 66%,#fafafa 66%,#fafafa 100%);
    background: -ms-linear-gradient(left,  #ffffff 0%,#ffffff 66%,#fafafa 66%,#fafafa 100%);
    background: linear-gradient(to right,  #ffffff 0%,#ffffff 66%,#fafafa 66%,#fafafa 100%);
    font-size: 100%;
  }
  header {
    width: 100%;
    height: 310px;
    padding: 0 10%;
    border-top: solid 12px rgba(19, 67, 71, 0.8);
    box-shadow: inset 0 0 100px rgba(255, 255, 255, 0.3);
    vertical-align: middle;
    text-align: left;
  }

  header::before, header::after {
    display: block;
    content: " ";
    position: absolute;
    z-index: 3;
    top: 9px;
    left: 0;
    width: 100%;
    height: 7px;
    background: rgba(0, 39, 43, 0.2);
  }
  header::after {
    top: 306px;
    height: 4px;
    background: rgba(0, 39, 43, 0.075);
  }
  h1 {
    display: inline-block;
    position: relative;
    margin: 15px 0 0 0;
    padding: 60px 0 5px 0;
  }
  h1::before {
    display: inline-block;
    position: relative;
    top: 65px;
    content: "";
    width: 125px;
    height: 125px;
    margin: -65px 40px 0 0;
    background: url(logo_a-lec.svg);
    background-size: 100%;
    shape-rendering: geometricPrecision;
    opacity: 0.8;

    -webkit-animation: koan 36000s infinite alternate;
    -moz-animation: koan 36000s infinite alternate;
    animation: koan 36000s infinite alternate;
  }
  h2 {
    display: block;
    margin: 0;
    padding: 5px 0 60px 70px;
  }
  p {
    font-size: 1em;
  }

  /* main layout blocks */
  nav, .supporting {
    display: inline;
  }
  .summary, .preamble, .supporting div, .adhesion h3, .adhesion p {
    float: left;
    clear: left;
    width: 66%;
    padding: 1em 5% 1em 10%;
  }
  .explanation h3, .explanation p,
  .apropos h3, .apropos p,
  .apropossuite h3, .apropossuite p {
    width: 100%;
  }
  .summary {
    padding-top: 3.25em;
  }
  .adhesion h3, .adhesion p {
    margin: 0;
    padding-bottom: 0;
  }


  /* coloured cutoff */
  div.apropos, div.apropossuite {
    width: 100%;
    padding-left: 10%;
    padding-right: 10%;
    margin: 0;
  }
  /* extra padding at the cutoffs */
  div.apropos, div.adhesion {
    width: 100%;
    padding-top: 4em;
  }
  div.explanation, div.apropossuite {
    padding-bottom: 4em;
  }
  .adhesion p:nth-child(5) {
    padding-bottom: 4em;
  }


  .introduction h3, .supporting h3 {
    margin-top: 0;
  }
  .introduction p:last-child, .supporting p:last-child {
    margin-bottom: 0;
  }


  .adhesion p:last-child {
    padding-bottom: 3em;
    padding-top: 3em;
    box-shadow: inset 0 0 100px rgba(255, 255, 255, 0.3);
  }


  /* sidebar styling */
  .latest-articles, .a-lec-resources {
    position: absolute;
    top: 360px;
    right: 0;
    width: 33.3%;
    padding: 0 0 20px 0;
    margin: 0;
    overflow: visible;
    background: transparent;
  }
  .sidebar li {
    float: none;
    width: auto;
    padding-left: 0;
    padding-right: 0;
    margin: 0 25.4% 0 12.7%; /* 0 10% 0 5% of total width */
  }


  /* select an article */
  .latest-articles li:first-child {
    border-top: 0;
  }
  .latest-articles li:hover, .latest-articles li:focus {
    background: none;
  }

  /* resources navigation */
  .a-lec-resources {
    position: absolute;
    top: auto;
    right: 0;
    width: 34%;
    background: transparent;
  }
  .a-lec-resources h3 {
    display: none;
  }
  .a-lec-resources ul {
    margin: 0 29.4% 0 14.7%;
  }
  .a-lec-resources li {
    padding: 7% 0 7% 0;
    margin: 0;
  }
  
  .a-lec-resources li:first-child {
    border-top: 0;
  }

}


@media only screen and (min-width: 1150px) {
  /* page footer */
  footer a {
    width: 76px;
    height: 76px;
    padding: 76px 0 0 0;
    margin: 0 3em;
  }
  footer a::before {
    font-size: 72px;
  }
}

@-webkit-keyframes koan {
    from {
      -webkit-transform: scale(1);
    opacity: 1;
    }
    to {
      -webkit-transform: scale(3);
    opacity: 0;
    }
}
@-moz-keyframes koan {
    from {
      -moz-transform: scale(1);
    opacity: 1;
    }
    to {
      -moz-transform: scale(3);
    opacity: 0;
    }
}
@keyframes koan {
    from {
      transform: scale(1);
    opacity: 1;
    }
    to {
      transform: scale(3);
    opacity: 0;
    }
}

/* high-DPI adjustments */
@media
    (min--moz-device-pixel-ratio: 1.5),
    (-o-min-device-pixel-ratio: 3 / 2),
    (-webkit-min-device-pixel-ratio: 1.5),
    (min-device-pixel-ratio: 1.5),
    (min-resolution: 1.5dppx) {

    header {
        background-image: url(images_externes/electronic.png), url(fond_titre.png);
        background-size: 50% ,cover;
    }

    .adhesion p:last-child {
        background-image: url(images_externes/electronic.png), url(fond_titre.png);
        background-size: 50% cover;
    }
}