html {
    height: 100%;
}


body {
    font-family:Arial, Helvetica, sans-serif ;
    margin: 0px;
    padding: 0;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

#header {
    background-color:#2c3e50 ;
    height: 100px;
}

#header a {
    color: white;
    text-decoration: none;
    font-size: 200%;
    font-weight: bold;
    margin-top: 50px;
    display: inline-block;
    margin-left: 40px;
}

#nav a {
    text-decoration: none;
    color:#2c3e50 ;
    display: inline-block;
    width: 20%;
    float: left;
    text-align: center;
    padding-top: 15px;
    padding-bottom: 15px;
    
}

#nav a:hover {
    background-color:#ecf0f1 ;
}

#hm {
    border-top: solid 5px lime;
}

#us {
    border-top: solid 5px red;
}

#sv {
    border-top: solid 5px orange;
}
#kn {
    border-top: solid 5px lightblue;
}

#imp {
    border-top: solid 5px rgb(196, 82, 196);
}

#image img {
    width: 100%;
    margin-top: 0px;
    margin-bottom: 16px;
}

#footer{
    
    color: rgb(175, 175, 175);
    padding: 30px;
    background-color: rgb(155, 72, 86);
    text-align: center;
    padding-bottom: 50px;

}

#main{
    text-align: center;
}