/***Default Setting**/
* {
  margin:0;
  padding:0;
  -webkit-box-sizing:border-box;
  -moz-box-sizing:border-box;
  box-sizing:border-box;
}

body{
  margin:0;
  padding:0;
  background-color:white;
    
}

.clearfix{
  clear:both;
}

img.fit{
  display:block;
  width:100%;
  height:auto;

}

/***content**/

.erosion{
  width:100%;


}

.gbox{
  width:50%;
  margin-top:1%;
  padding-left:1%;
  margin-bottom:2%;
  float:left;




.clearfix{
  clear:both;
}