nav a{
    display: block;
    /*move nav to center when below 600px*/
    width: 100%;
    line-height: 3em;
}

.index{
    grid-template-columns: auto;
    grid-template-areas: 
    "dogs-paragraph"
    "dogs-figure"
    "top5-dogs-list"
    "adopt-dogs"
    "euthanize-table"
}