img {
height: 100%;

}
body{
border-color: aquamarine;
background-color: bisque;
}
h1 {
    color: rgb(68, 68, 169);
    border-width: 5px;
    border-style: solid;
    border:color currentColor;
    }

ul li {
background: rgb(230, 18, 230);
color: rgb(189, 189, 9);
border: 50px;


}
strong {
color: black;
font-size: 20px;
border: 6px solid rgb(0, 255, 174);
}

li:first-child {

color: cadetblue;
}

li:last-child {

color: chocolate;


}
article > p {
color:red 


}

style type {
padding: opx;
margin: opx;



}

header{
padding: auto;
margin: 500px;
font-family: Arial, Helvetica, sans-serif;
}

ul{
list-style: none;

}

.nav li a {
background-color: #000;
color: #fff;
text-decoration: none;
padding: 10px 15px;
display: block;
}
nav > li {

float: left;


}
.nav li a :hover{
background-color: #1e5a7b06;


}