html {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  
  * {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  
  body {
    margin:0; 
    padding:0;
    width: 100%;
}
#page {
    margin:0; 
    padding: x30px 0;
    width: 100%;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: center;
   align-items: flex-start;
}

#page a {
    font-family: "Roboto", Arial;
  font-style: normal;
  font-weight: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 19px;
  line-height: 21px;
  color: rgba(255,255,255,1);
  background-color: brown;
  margin: 10px;
  padding: 15px 30px;
border-radius: 4px;
text-decoration: none;
}
#contenu {
    margin:0 auto; 
    padding:40px 0;
    width: 80%;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: flex-start;
   align-items: flex-start;
}
#contenu a {
    padding:10px 1%;
    width: 25%;
    position: relative;
}
#contenu img {
    width: 100%;
    position: relative;
}
#contenu-pdf {
    margin:0 auto; 
    padding:40px 0;
    width: 80%;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: flex-start;
   align-items: flex-start;
}
.btn-pdf {
    position: relative;
    width: 18%;
    padding: 15px 1%; 
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    text-align: center;
}
.btn-pdf img {
    width:70%;margin: 0 auto;
    height: auto;
}
.btn-pdf a {
text-decoration: none;
}
.btn-pdf p {
    font-family: "Roboto", Arial;
  font-style: normal;
  font-weight: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 19px;
  line-height: 21px;
  color: rgba(0,0,0,1);
  margin: 0;
  padding: 5px;

}