@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

html {
  background: mediumseagreen;
  font-size: 14px;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  min-width: 300px;
  overflow-x: hidden;
  overflow-y: scroll;
  text-rendering: optimizeLegibility;
}

body {
  color: #666;
  font-family: "Roboto", "Helvetica", "Arial", sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.4;
}

a { text-decoration: none;transition: all 0.3s cubic-bezier(.25, .8, .25, 1);display: contents;color: #444;font-weight: 700;cursor: pointer;}
a:hover { color: black;}

div, h2, p, figure {
  margin: 0;
  padding: 0;
}

.header {
  color: white;
  padding: 40px 0 20px;
  text-align: center;
}

.header h1 {
  font-size: 40px;
  font-weight: bold;
}

.header h2 a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  color: white;
  font-size: 20px;
  opacity: 0.5;
}

.header h2 a:hover {
  border-bottom-color: white;
  opacity: 1;
}

.main {
  margin: 0 auto;
  max-width: 1040px;
  padding: 10px;
}

.column {
  flex: 1;
  flex-direction: column;
}

.article {
  position: relative;
  background: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  color: #666;
  display: flex;
  flex: 1;
  flex-direction: column;
  flex-basis: auto;
  margin: 10px;
}

.article:hover,
.article:focus {
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
  color: #444;
}

.article-image {
  background: #eee;
  display: block;
  /*padding-top: 75%;*/
  position: relative;
  width: 100%;
}

.article-image img {
  display: block;
  /*height: 100%;
  left: 0;
  position: absolute;
  top: 0;*/
  max-width: 100%;
  margin: 0 auto;
}

.article-image.is-3by2 {
  padding-top: 66.6666%;
}

.article-image.is-16by9 {
  padding-top: 56.25%;
}

.article-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.article-title {
  color: #333;
  flex-shrink: 0;
  font-size: 1.4em;
  font-weight: 700;
  line-height: 1.2;
}

.article-content {
  flex: 1;
  margin-top: 5px;
	line-height: 1.5em;
}

.article-info {
  font-size: 0.85em;
  justify-content: space-between;
  margin-top: 10px;
}

.social img { width: 20px;float:right;}

.annonce { position: absolute;width: 80%;padding: 6px;border: 2px solid orangered;bottom: 100px;left: 10%;background: lightyellow;transition: opacity .5s;}
.annonce::after { content: "x";position: absolute;top: -6px;right: 0;padding: 6px;cursor: pointer;}

@media screen and (min-width: 700px) {
  .columns,
  .column {
    display: flex;
  }
}

@media screen and (min-width: 700px) {
  .first-article {
    flex-direction: row;
  }

  .first-article .article-body {
    flex: 1;
  }

  .first-article .article-image {
    height: 300px;
    order: 2;
    padding-top: 0;
    width: 400px;
  }

  .main-column {
    flex: 3;
  }

  .nested-column {
    flex: 2;
  }
}