header {
    display: block;
}
footer {
    display: block;
}
nav {
    display: block;
}
nav ul {
    list-style-type: none;
    display: block;
    margin: 0;
    padding: 0;
}
nav li {
    display: inline;
    list-style-type: none;
    text-align: left;
}

.border {
    margin-left:0;
    width: 100%;
}