html,body{
    height: 100%;
    margin: 0;
}
h1{
    text-align: center;
}

.menu{
    padding-right: 1em;
    padding-left: 1em;
    min-width: 15em;
    overflow: auto;

}
a{
    cursor: pointer;
    text-decoration: none;
}

iframe,svg{
    width:100%;
    height: 98vh;
    text-align: center;
    border-width: 0.1em;
    border-color: black;
    border-style: solid;
    background-color: rgb(176, 176, 176);

}
.box{
    height: 100%;
    display:flex;
    justify-content: flex-start;
}
:target {
    font-weight: bold;
  }
:target::after {
    content: "\002192";
    float: right;
  }
  .titre-ouvrage{
    text-align: left;
    font-size: 1.2em;
    margin-bottom: 0.2em;

  }
  ul{
    margin: 0.1em;
  }