*{
    margin: 0px;
    padding: 0px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

header{
    background-color: aqua;
    display: flex;
    align-items: center;
    height: 80px;
}

nav{
    flex: 1;
}
nav ul{
    display: flex;
    justify-content: space-evenly ;
}
nav ul li{
    list-style-type: none;
}
nav a{
    text-decoration: none;
    color: black;
}
nav a:hover{
    color: red;
    text-shadow: 1px 1px 10px red;
}

h1{
    padding: 10px 30px;
}

main{
    background-color: blanchedalmond;
    min-height: calc(100vh - 80px - 40px);
    padding: 30px;
}

footer{
    background-color: tomato;
    height: 40px;
    text-align: center;
    color: wheat;
}
main section{
    margin: 20px 0px;
}

a.active_page{
    color: white;
    text-shadow: 1px 1px 1px black;
}