header {
  display: flex;
  justify-content: space-between;
  background-color: #4d4d4d;
  width: 100%;
  color: #ffffff;
  font-size: 2.5em;
  font-family: "Alata", sans-serif;
  margin: 0;
  font-style: bold;
  align-items: center;
}

#orangeLetter {
  color: #ff8000;
  margin: 0;
}

#linksHeader {
  font-size: 1em;
  text-decoration: none;
  color: #ffffff;

  display: flex;
  justify-content: center;
}

#titreHeader {
  font-size: 1.5em;
  padding-left: 10px;
}

#lienIndex {
  text-decoration: none;
  color: #ffffff;
}

nav {
  flex-direction: row;
  display: flex;
  justify-content: space-between;
  width: 800px;
  margin-right: 100px;
}

body {
  margin: 0;
}

h1 {
  margin: 0;
}

#titreNavPage {
  font-family: "Alata", sans-serif;

  text-align: center;
  font-size: 80px;
  z-index: 0;
  color: black;
  margin-top: 80px;
  margin-bottom: 50px;
}

#backgroundSheet {
  opacity: 0.5;
  background-color: black;
  align-content: center;
  margin-left: 100px;
  margin-right: 100px;
  margin-top: 100px;
  height: 100%;
}

#articleListFlexbox {
  display: flex;
  justify-content: center;

}

.articleItem {
  border: #4d4d4d;
  border-style: solid;
  width: 600px;
  border-radius: 25px;
  font-family: "Alata", sans-serif;
  height: auto;
  text-decoration: none;
  color: #000000;
  margin-left: 50px;
  margin-right: 50px;
  margin-bottom: 100px;
}

.articleItemTitle {
  font-size: 28pt;
  margin-top: 0px;
  margin-bottom: 25px;
  text-decoration: underline;
}

.articleItemDesc {
  font-size: 14pt;
  margin-top: 0px;
}

#containsArticle {
  border: #4d4d4d;
  border-style: solid;
  font-family: "ABeeZee", sans-serif;
  border-radius: 25px;
  margin-top: 50px;
  width: 80%;
  margin-left: 10%;
  margin-right: 10%;
}

.txtartcl {
  padding-left: 30px;
  font-size: large;
  font-family: "ABeeZee", sans-serif;
}

.txtttl {
  font-family: "Alata", sans-serif;
  font-weight: bold;
  padding-left: 25px;
  font-size: xx-large;
}

.artclvid {
  height: 200;
  width: 200;
  display: block;
  margin: 0 auto;
}

.bigttl {
  text-align: center;
  font-size: 500%;
  font-family: "Alata", sans-serif;
}

#footerDiv {
  position: fixed;
  bottom: 0;
  right: 0;
  width: 300px;
  border: 3px solid #000000;
  font-family: "Alata", sans-serif;
}