html,body {
    height:100%;
}


#lake_dam_pp_name_intro{
  padding: 4px;
  color: black; 
  background-color:blue;
  height: 100px;
  
}

#NE_6_l_d_pp_name {
  margin: 20px;	
}

.header_lake {
  background-color: brown;
  position:fixed;
  color: white;
  text-align: center;
  padding: 2px;
  top: 0px;
  left: 0px;
  right: 0px;
  height: 9.5em;
}


.div_1 {
  color: black;
  border: 5px solid black;
  margin: 5px;
  top: 0px;
  left: 0px;
  padding: 10px;
  right: 0px;
  font-size: 150%;
  font-weight: bold;
  
}

.div_1_top{
  height: 7.5em;	
}


#para_center{
  color: black;
  text-align: center;
  padding: 2px;
  margin: 15px;
  top: 0px;
  left: 0px;
  right: 0px;
  font-size: 150%;
  font-weight: bold;
}

#para_1eft_01 {
  color: black;
  text-align: left;
  padding: 5px;
  margin: 10px;
  margin-top:20px;
  top: 0px;
  left: 0px;
  right: 0px;
  font-size: 125%;
  font-weight: bold;
}

#para_1eft_02 {
  color: black;
  text-align: left;
  padding: 5px;
  margin: 10px;
  margin-top:20px;
  top: 0px;
  left: 0px;
  right: 0px;
  font-size: 125%;
  font-weight: bold;
}


#list_01 {
  color: red;
  font-size: 110%;
  font-weight: bold;
}

#header_powerequation {
  background-color: #3363FF;
  color: white;
  text-align: center;
  height: 6.7em;
  padding: 20px;

}

.image_names{
  text-align: center;
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 45%;

}

.image_data{
  text-align: center;
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 85%;

}

.image_project{
  text-align: center;
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 60%;
}

#def_list{
  padding-left:40px;	
}

#factors_explained{
  padding:10px 20px 20px 30px;	
}

body{
  background-color: beige;
}