* {
    padding: 0;
    margin: 0;
}
body {
    margin-top: 126px;
}
h2, .container {
    margin: 10px;
}
svg {
    border: 3px ridge gray;
    background: url('../images/back1.svg')
                , url('../images/back2.svg')
                , url('../images/back3.svg');
    vertical-align: top;
}
.clearfix:before {
    content: "";
    display: block;
    clear: both;
}
.clearfix:after {
    content: "";
    display: block;
    clear: both;
}
textarea {
    width: 700px;
    min-height: 300px;
    font-size: 1.3em;
    font-weight: bold;
}
.code {
    width: 700px;
    margin-left: 12px;
    display: inline-block;
}
.code pre {
    margin-top: 0;
    height: 306px;
}
.home {
    font-weight: bold;
}

#menu {
    position: fixed;
    top:0;
    width: 100%;
    margin: 0;
    z-index: 1000;
    box-shadow: 1px 1px 1px #fff, 1px 1px 18px #000;
}
.menu.menus {
    position: fixed;
    top: 60px;
    width: 100%;
    z-index:999;
}

.menu ul {
    margin: 8px 0;
    padding: 0; list-style-type: none;
}
.menu li {
    background: #444;
    display: inline-block;
    margin: 2px 6px;
    border: 1px solid #aaa;
    box-shadow: 1px 1px 10px #ccc;
}
.menu a {
    display: block;
    color: #ccc; ;
    font-size: 1.1em;
    text-decoration: none;
    padding: 6px 16px; }
.menu li.title { color: white ;

    font-weight: bold;
    background: black; padding: 6px 16px; margin-left:16px; font-family: arial}
.menu a:hover {color: #Fce;}
.menup { background: gray;}
.menus {
    background: #CCC;
    box-shadow: 1px 1px 6px #333, 1px 1px 1px #fff;
}
.menus li {
    margin: 2px 5px 2px;
    border-color: #ccc;
    box-shadow: 1px 1px 10px #fff;
}
 h2 {background: #eee;padding: 12px 6px; font-family: arial}
.top img { border: 1px solid gray; padding: 4px; width: 20px; height: 20px; margin-bottom: -8px;
    background: #fff; }
.top img:hover{ background: #CFF;}
.exercices { padding-left: 30px;}
.exercices h3 { font-family: arial; font-size: 1.2em;padding: 0.7em; text-shadow: 1px 1px 1px white, 1px 1px 18px black}
.exercices small {color: #999; margin-right: 20px;}
.exercices img { box-shadow: 1px 1px 24px black}
.menup li.title {
    background: #444 url(../images/svg.svg) no-repeat ;
    background-position-x: 4px;
    background-position-y: 0;
    padding: 7px;
    padding-left: 40px;

}
.menup li ul.sous-menu {
    position: absolute;
    display: none;
    z-index: 10;
    background: #777;
    margin: 0;
    margin-left: -1px;
    border: 1px solid gray;
    border-top: none;
    padding-bottom: 6px;
}
.menup li ul.sous-menu > li {
    margin: 6px 10px;
}
.menup ul.sous-menu > li {
    display: block;
    width:200px;
    box-shadow: 1px 1px 10px #ccc;
}
.menup  li:hover ul.sous-menu {
    display: block;
}
.menup ul.sous-menu .separator {
    visibility: hidden;
    margin:  10px 0;
}

.menup ul.sous-menu ul.sous-sous-menu {
    position: absolute;
    display: none;
    z-index: 12;
    background: #777;
    margin: 0;
    margin-left: 50px;
    border: 1px solid gray;
    border-top: none;
    padding-bottom: 12px;
}
.menup li ul.sous-sous-menu li {
    margin: 6px 10px;
}
.menup ul.sous-menu ul.sous-sous-menu li {
    display: block;
    width:200px;
    box-shadow: 1px 1px 10px #ccc;
}
.menup ul.sous-menu li:hover ul.sous-sous-menu {
    display: block;
}
.menup ul.sous-sous-menu .separator {
    border-color: #ddd;
    border-style: outset;
    border-bottom: none;
    margin: 24px;
}

.menup li.parent > a {
    background: url(../images/down.svg)  no-repeat  center right;
    margin-right: 4px;
}

.exercices > div {
    width: 440px;
    padding: 12px;
    display: inline-block;
}

h2 {
    box-shadow: 1px 1px 4px #777, 1px 1px 1px #fff;
}
h2 a {

    margin-right: 10px;
}
:target:before {
content:"";
display:block;
height:116px; /* fixed header height*/
margin:-116px 0 0; /* negative fixed header height */
}

a> img {
    display: none;
}