body {
  margin: 0;
  padding: 0;
  font-family: Arial,"Times New Roman",Verdana,Helvetica,serif;
  font-size: 100%;
  background-image: url(../img/thionvillefond.jpg);
  background-position: 0px 200px;
}
p {
  margin: 10px;
  text-indent: 15px;
  text-align: justify;
}
h1 {
  margin: 0px;
  text-align: center;
  font-family: Arial,"Times New Roman",Verdana,Helvetica,serif;
  font-size: 3em;
  font-weight: bold;
  color: #4640b6;
}
h2 {
  text-align: center;
  font-family: Arial,"Times New Roman",Verdana,Helvetica,serif;
  font-size: 1.5em;
  font-weight: bold;
  color: #4640b6;
}
h3 {
  font-family: Arial,"Times New Roman",Verdana,Helvetica,serif;
  font-size: 1.5em;
  font-weight: bold;
  text-indent: 45px;
  color: #4640b6;
}
h4 {
  font-family: Arial,"Times New Roman",Verdana,Helvetica,serif;
  font-size: 1em;
  font-weight: bold;
  color: #4640b6;
  text-indent: 15px;
  text-align: justify;
}
h5 {
  margin: 10px;
  text-align: justify;
  font-weight: lighter;
  font-size: 0.8em;
}
#conteneur {
  position: absolute;
  width: 100%;
  height: 100%;
}
#header {
  height: 200px;
  background-image: url(../img/ecluse.jpg);
}
#haut {
  height: 50px;
}
#centre {
  padding: 10px;
  margin-left: 200px;
  margin-right: 200px;
}
#centredroit {
  padding: 10px;
  margin-left: 200px;
}
#gauche {
  float: left;
  width: 200px;
}
#droite {
  float: right;
  width: 210px;
}
#pied {
  clear: both;
  height: 35px;
  text-align: center;
}
#menugauche {
  list-style-type: none;
  margin-top: 50px;
  margin-left: 5px;
  padding: 0;
  font-weight: bold;
  font-size: 0.8em;
}
#menugauche li {
  margin-top: 20px;
  margin-bottom: 20px;
}
#menugauche a {
  margin: 0 2px;
  width: 190px; 
  height: 16px;
  display: block;
  text-align: center;
  border: 2px solid gray;
  text-decoration: none;
  color: #000;
  background: transparent;
}
#menugauche a:hover {
  background: #a2b2de;
  border: 2px solid gray;
}
#menudroit {
  list-style-type: none;
  margin-top: 50px;
  margin-left: 5px;
  padding: 0;
  font-weight: bold;
  font-size: 0.8em;
}
#menudroit li {
  margin-top: 20px;
  margin-bottom: 20px;
}
#menudroit a {
  margin: 0 2px;
  width: 190px; 
  height: 16px;
  display: block;
  text-align: center;
  border: 2px solid gray;
  text-decoration: none;
  color: #000;
  background: transparent;
}
#menudroit a:hover {
  background: #a2b2de;
  border: 2px solid gray;
}
#menubas {
  list-style-type: none;
  border: 2px solid gray;
  width: 800px;
  height: 33px;
  margin: auto;
  font-weight: bold;
  text-align: center;
}
#menubas li {
  margin: auto;
  width: 600px;
  height: 30px;
  border: 2px solid red;
  text-align: center;
}
#menubas a {
  margin: 0 5px;
  padding: 0 10px;
  width: 190px;  
  height: 25px;
  display: inline;
  text-align: center;
  border: 2px solid blue;
  text-decoration: none;
  color: #000;
  background: #fff;
}
#menubas a:hover {
  background: #a2b2de;
  border: 2px solid black;
}
a {
text-decoration: none;
color: #4640b6;
}

.imggauche {
  float: left;
  margin: 10px;
}