.title_main{
    text-align:center;
    font-size:XX-LARGE;
    font-weight:bold;
    
}
#wrapper{
    width:50%;
    margin-left:auto;
    margin-right:auto;
    margin-top:10px;
    
    background: rgba(182, 191, 255, 0.65);
    padding:10px;
    text-align:center;
    border:solid 1px;
}
.title_bloc{
    margin:auto;
    
}
.title_bloc_center{
    text-align:center;
     display:flex;
    height:100px;
}
.sub_title{
    text-align:right;
}
#image_sep{
    float:right;
    width:30%;
    height:30%;
}
.title{
    font-size:LARGE;
    font-weight:bold;
}
.extra{
    font-style:italic;
    margin:5px;
    padding:5px;
    
}
.bloc{
       border-top: 1px solid grey;
    padding: 30px;
}
.talk {
    margin:5px;
    padding:5px;
    font-weight: bold;
}
.abs {
    text-align:left;
    font-style: italic;
    font-weight:normal;
    margin:20px;
    display:none;
    padding: 10px;
    border: solid 1px darkblue;
    background-color: white;
}
.plus{
    margin: 10px;
    margin-right: auto;
    margin-left: auto;
    max-width: 15px;
    border: solid 1px grey;
    cursor: pointer;
    padding-left:5px;
    padding-right:5px;
    background-color:white;
}
.plus:hover{
    color:red;
}
.talk-title{
    font-style:  italic;
    font-weight: normal;
}
body {
    margin:0px;
    background: url(../image/warsaw.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}