body {
    font-family: arial;
    margin-left: 13%;
    margin-right: 13%;
    margin-top: 3%;
    margin-bottom: 3%;
    border: 1px solid rgb(153, 170, 248);
    border-radius: 25px;
    padding: 20px;
    box-shadow: 0px 0px 7px rgb(0, 7, 12);
    }

    .exo-correction {
        display: none;
    }

    /* LESSON CONTENT STARTS HERE */ 

    h1 {
        font-size:22px;
        font-family: 'Montserrat', sans-serif;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        text-shadow: 2px 2px 4px #333;
        margin-bottom: 0.5em;
        }
        
        
        h4 {
        text-decoration: underline;
        color: red;
        }
        
        .test {
        text-align : center;
        margin-top: 5%
        }
        
        
        .examples {
        text-decoration: underline;
        }
        
        .lesson-number {
        text-align: center;
        color: #808080;
        margin-top: 0;
        }


        .titre {
        background-color: #ffdde1;
        border-radius: 5px;
        padding: 8px;
        font-family: 'Times New Roman', serif;
        color : red;
        text-align : center;
        font-size: 25;
        margin-bottom: 5%;
        }
        
        .sans-puce li{
        list-style: none;
        margin: 0;
        padding: 0;
        list-style-position: outside;
        }


        .sans-puce li:before {
        content: "";
        border-color: transparent white;
        }
        
        .expression li {
        list-style: none;
        }

        
        .expression li:before {   
        content: "";  
        border-color: transparent gray;  
        border-style: solid;  
        border-width: 0.35em 0 0.35em 0.45em;  
        display: block;  
        height: 0;  
        width: 0;  
        left: -1em;  
        top: 0.9em;  
        position: relative;  
        } 
        
        p.citation:before {
            content: "🔹 ";
        }

        
        span {font-weight: normal;
        color:  rgb(76, 145, 64);
        font-style: italic;}
        
        div.li:before {
        list-style: none;
        }
        
        span.rouge{
        color: red;
        font-weight: normal;
        }
        
        span.souligne {
        text-decoration: underline;
        font-weight: bold;
        color: black;
        font-style: normal;
        margin-left: 3%;
        }
        

        span.traduction {
            font-style: italic;
            color: rgb(18, 146, 48);
            font-weight: normal;
        }
        

        .formule {
            font-weight: bold;
            font-style: normal;
            color: black;
            margin-left: 4%;
        }
        
        
        table {
        border: 1px solid black;
        border-collapse: collapse;
        margin-bottom: 3%;
        margin-top: 3%;
        }
        
        th, td {
        text-align: left;
        border: 1px solid black;
        padding:5px;
        }
        
        .vide{
        visibility: hidden;
        }
        
        .puce-normale {
        text-decoration: underline;
        font-weight: bold;
        }
        
        span.barre {
        text-decoration: line-through;
        color: black;
        }
        
        div.exo-correction {
        margin-left: 0%;
        }

        .exo-correction {
        width: 100%;
        margin:0;
        margin-top: 5%;
        margin-bottom: 15%;
        text-align: center;
        margin-left: 15%;
        border-bottom: solid rgb(81, 83, 189);
        }
        
        .correction {
        width: 35%;
        margin:0;
        float: left;
        }
        
        .test {
        width: 35%;
        margin:0;
        float: left;
        margin-bottom:  3%;
        }

        .souligne {
            text-decoration: underline;
        }

        * {
            box-sizing: border-box;
          }
          
          .image-column {
            float: left;
            width: 16.66%;
            padding: 5px;
          }
          
          .vocab-images::after {
            content: "";
            clear: both;
            display: table;
          }

          figcaption {
              text-align: center;
          }

    /* LESSON CONTENT STYLE ENDS HERE */

.button-correction {
    background-color:  rgb(79, 211, 79);
    border-radius:5px;
    color: black;
    font-weight: bold;
    padding: 15px 80px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 15px;
    margin: 2px 1px;
    cursor: pointer;
}

.button-exo {
background-color: orange;
    border-radius:5px;
    color: black;
    font-weight: bold;
    padding: 15px 80px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 15px;
    margin: 2px 1px;
    cursor: pointer;
}

.button-correction:hover{
background-color: rgb(224, 197, 45);
}

.button-exo:hover {
background-color: rgb(224, 197, 45);
}

.bouton-caché {
    visibility: hidden;
}


/* MOBILE DEVICES max 600px STARTS HERE */

@media screen and (max-width: 600px) {
.titre {
  font-size: 16px;
  background-color: #ffdde1;
}
ul, li {
    margin: 10px;
    padding: 0%;
}
body {margin: 2.5%;
    font-size: 14px;
    margin-bottom: 3%;
}

.button-correction, .button-exo {
    border-radius:5px;
    color: black;
    font-weight: bold;
    padding: 8px 40px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 11px;
    cursor: pointer;}

    .exo-correction {
        width: 100%;
        margin: 0%;
        margin-top: 10%;
        margin-left: 0%;
        margin-bottom: 10%;
        text-align: center;
    }
    
    div.correction {
        width: 50%;
        float: left;
        margin-left: 0%;

    }
    
    div.test {
        width: 50%;
        float: left;

    }

    /* VOCABS CURTAIN PAGE STARTS HERE */

    .ouvrir {
        height: 100%;
        width: 0;
        position: fixed;
        z-index: 1;
        top: 0;
        right: 0;
        background-color: rgb(0,0,0);
        background-color: white;
        overflow-x: hidden;
        transition: 0s;
        border-left: solid 2px rgb(19, 170, 56);
    }
    
    .ouvrir .closebtn {
        position: absolute;
        top: 1px;
        left: 8px;
        font-size: 30px;
        color: black;
        padding-bottom: 450%;
        padding-right: 100%;
        margin: 1%;
      }
    
      h4.titre-vocab {
          margin-left: 30%;
      }
    
      .arrow {
        border: solid rgb(7, 83, 14);
        border-width: 0 3px 3px 0;
        display: inline-block;
        padding: 4px;
        position: fixed;
        margin-left: 92%;
        margin-top: 35%;
        width: 0; 
        height: 0;
      }
    
    .left {
        transform: rotate(135deg);
        -webkit-transform: rotate(135deg);
          }

    img {
        width: 30%;
        height: 30%;
    }

    /* VOCABS CURTAIN PAGE ENDS HERE */
}

/* MOBILE DEVICE max 600px ENDS HERE */


footer {

margin-left: 5%;
margin-top: 10%;
margin-bottom: 5%;
text-align: center;
margin-bottom: 3%;
}