#header {
background-color: rgb(100,255,100,255);
height: auto;
border: 3px solid red;
font-size: 1vh;
text-align: center;
margin: 0px;
padding; 0px;
}

nav ul{
list-style-type: none;
padding:10px;
}
li{
margin-bottom: 20px;
}

nav {
float: left;
width: 20%;
background-color: rgb(100,170,100,255);
padding: 0px;
border: 3px solid red;
}
.page {
text-align: center;
font-size: 3vh;
vertical-align: middle;
}
.menu{
text-align: center;
background-color:rgb(200,255,200,255);
padding: 10px;
crsor : url("mouse/red_mouse3.png"), auto;
font-size: 2.0vh;
}
article {
  float: left;
  padding: 50px;
  width: 80%;
 text-align: center;
}
article p{
font-size : 20px;
text-align: left;
}
body {
background-color: rgb(190,190,255,255);
margin: 0px;
border: 10px;
padding:0px;
height: 100%;
width: 100%;
cursor: url("mouse/white_mouse3.png"), auto;
}
* {
 box-sizing: border-box;
}