/* selecteur{ propriete-css: valeur ; 
                propriete-css: valeur ;}     */

header {
  width: 100%;
  height: 100vh;
  background: rgb(47, 180, 160);
  background: linear-gradient(180deg,
      rgba(47, 180, 160, 0.95) 20%,
      rgba(60, 85, 82, 0.95) 90%);
  padding-top: 30vh;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
  font-family: "Open Sans", sans-serif;
}

main {
  background: rgb(255, 255, 255);
  width: 100%;
}

article {
  min-height: 100vh;
  flex: 1;
  padding: 10px;
  background: rgb(255, 255, 255);
  min-width: 280px;
  display: flex;
  flex-direction: column
}

figure {
  width: 100%;
  display: flex;
  justify-content: center;
}

header figure {
  width: 260px;
}

figure img,
footer>div>ul#rs>li>a>img {
  max-width: 100%;
}

footer>div>ul#rs>li>a {
  display: block;
  width: 35px;
  height: 35px;
  margin: 0 5px;
}

article p {
  color: black;
  margin-top: 2vh;
  text-align: left;
}

h3 {
  font-size: 2rem;
  font-weight: 400;
  margin: 2vh 0;
}

section:last-child article {
  background: rgba(60, 85, 82, 0.95) 76%;
}

#sincrire div article p {
  color: white;
  text-align: center;
}

article p+a,
#sincrire div article iframe+a {
  margin-top: 10px;
  background: rgba(60, 85, 82, 0.95) 76%;
}

iframe {
  margin: 2vh 0;
}

h1 {
  color: white;
  font-size: 3rem;
  font-weight: 800;
}

span {
  color: rgb(2, 66, 87);
  text-shadow: rgb(47, 180, 160);
}

p {
  color: gainsboro;
}

p {
  align-items: justify;
}

a {
  text-decoration: none;
  display: block;
  width: 200px;
  height: 50px;
  text-align: center;
  background: rgb(2, 66, 87);
  color: white;
  border-radius: 10px;
  border: 1px solid rgba(60, 85, 82, 0.95) 76%;
  line-height: 50px;
  margin-top: 15vh;
  transition: 0.5s linear;
}

a:hover {
  background: white;
  border: 1px solid black;
  border-radius: 0;
  color: black;
}

h2 {
  background: rgb(47, 180, 160);
  color: white;
  min-height: 10vh;
  line-height: 10vh;
  text-align: center;
}

div {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}

#tony {
  position: fixed;
  top: 0;
  left: 0;
  background-size: cover;
  z-index: -1;
}

footer {
  background: white;
  height: 10vh;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}

footer>div>ul {
  list-style: none;
}

footer>div>ul#rs {
  display: flex;
}

footer>div {
  flex: 1;
  min-width: 270px;
  padding-top: 2vh;
  justify-content: center;
}

div>ul>li {
  width: 100%;
  text-align: center;
  display: block;
  height: 40px;
  line-height: 40px;
}

footer>div>h4 {
  text-align: center;
  display: block;
  width: 100%;
}


footer>div>ul>li>a {
  text-decoration: none;
  background: transparent;
  display: block;
  color: gray;
  border-radius: 0;
  border: none;
  width: 100%;
  text-align: center;
  margin-top: 2vh;
  transition: 0.5s linear;
  min-height: 50px;
  line-height: 50px;

}

a:hover {
  background: white;
  border: none;
  border-radius: 0;
  color: rgb(2, 66, 87);
}


form {
  width: 100%;
  display: flex;
  flex-direction: column;
}

input,
textarea,
select {
  width: 100%;
  height: 50px;
  border-radius: 5px;
  margin: 2px 0;
}

::placeholder {
  text-align: center;
}

label {
  color: white;
  text-align: center;
  margin-bottom: 10px;
}

fieldset {
  margin: 10px 0;
  padding: 5px;
}

textarea {
  margin-top: 30px;
  min-height: 200px;
}

legend {
  color: white;
  text-align: center;
}

div>article:last-child {
  padding-top: 20vh;
}

#entre>div>article:last-child {
  padding-top: 1vh;
}


@media screen and (min-width: 1024px) {
  .container {
    position: relative;
  }

  .container section {
    position: sticky;
    top: 0;
  }
}

video {

  height: 80vh;
}