body {
    
    font-family: Verdana, sans-serif;
}

/* Titres centraux */
.main{
    font-family: Verdana, Sans-Serif;
}

.main_title{
    
    font-size: 50px;
    text-align: center;
    text-shadow: 5px 5px 10px white;
   
}
.second_title{
    
    font-size: 30px;
    text-align: center;
    text-shadow: 5px 5px 10px white;
    
}
.third_title{
    
    font-size: 25px;
    text-align: center;
    
}

/* Diaporama responsive */
.diapo {
    
    max-width: 500px;
    margin: auto;
    width:30vw; 
    min-width: 350px;
}

.diapo img {
    width: 100%;
    height: auto;
    padding: 0;
}

/* Paragraphe avec image */
.paragraph {
  
    padding: 1em;
    max-width:50vw; 
    margin:auto; 
    text-align: justify; 
    min-width:300px;
}

.paragraph img {
    
    float: left;
    margin-right: 1em;
    width: 15vw; 
    vertical-align: text-top; 
    padding-right: 3vw; 
    margin-bottom:12vh; 
    min-width:100px;
}

/* Citation */
.paragraph div {
    text-align: right;
    margin-top: 50px;
}

.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.popup-content {
  background-color: #fff;
  color: #333;
  padding: 1em 1.5em;
  border-radius: 10px;
  text-align: center;
  max-width: 90%;
  width: 300px;
  position: relative;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

#popup-close {
  position: absolute;
  top: 5px;
  right: 10px;
  background: none;
  border: none;
  font-size: 1.2em;
  cursor: pointer;
}

.hidden {
  display: none;
}

/* Responsive mobile */

@media screen and (max-width: 768px) {
    .paragraph img {
        float: none;
        display: block;
        margin: auto;
        width: 80%;
    }
    
}