*{
  margin: 0;
  padding: 0;
}

h2
 {
   color: red;
 }
body {
  background-color: none;
}

.navigation {    /*this is the background of menu*/
width: 100%;
height: 100px;
background-color: red;
}

.NavDiv{


}

ul{

}

ul li {
  list-style: none;


}

ul li a {

}


.imgLogoIndex{
  display:inline;
  width: 30%;
}

.content_1-left{
  background-color: grey;
  height: 300px;
}
.content_1-center{
  background-color: blue;
  height: 300px;
}
.content_1-right{
  background-color: grey;
  height: 300px;
}

.img-size{
  width: 30%;
}