header{
    height: 50px;
    background-color: rgba(0, 255, 255, 0.85);
    text-align: center;
}
nav{
    height: 100px;
    background-color: rgba(0, 255, 255, 0.75);
}
ul{
    text-align: center;
}
li{
    display: inline;
    float: left;
    font-size: 30px;
    text-align: center;    
}
a{
    text-decoration: none;
    color: white;
}
article{
    background-color:rgba(250, 235, 215, 0.75)
}
p{
    font-size: 20px;
}
body {
background: url("https://large-crabs.pages.dev/pngs/back.webp") no-repeat center center fixed;
-webkit-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
footer{
    font-size: 10;
    text-align: center;
}