ul {
    display: flex;
    flex-direction: column;
    list-style-type: none;
}
img {
display: block;
margin-left: auto;
margin-right: auto;
}


p {
   text-align: center;
}
#header {
    font-size: 50px;
    font-weight: bold;
}
#header1 {
    font-size: 50px;
    font-weight: bold;
}
a {
    color: inherit;
    text-decoration: inherit;
    cursor: pointer;
}
footer{
    text-align: center;
}