body{
    margin:0px
    height: 100px
}
.header{
    background-color: whitesmoke;
    border-radius: 5px;
    margin: 1px;
    padding:15px;
    position: sticky;
    box-shadow: 10px;
    display: inline;
}
ul,li,a{
    list-style: none;
    text-decoration: none;
    font-weight: bold;
    color: black;
    margin: 10px;
    font-size: 110px;
}
a:hover{
    background-color: skyblue;
    color: blue;
    border-radius: 5px;
}
a:active {
    color: white;
}
h1{
    margin-left: 45px;
    color: gray;
}