flex aling left code example
Example 1: flexbox align right and left
.primary-nav {
display:-webkit-flex;
display:flex;
list-style-type:none;
padding:0;
justify-content:flex-end;
}
.left {
margin-right:auto;
}
Example 2: flex item right
header > div:nth-child(3) { margin-left: auto;}