header + section article:nth-of-type(2)
{
 opacity : 0;
 background-color : #FF0;
 box-shadow : #000 0.5vmin 0.5vmin 0.8vmin;
 transition : opacity 8s ease-out;
}

nav + section
{
 flex-wrap : wrap-reverse;
 perspective : 70vmin;
}

nav + section article:first-of-type
{
 text-align : center;
 padding : 0.5vmin;
 width : 40vmin;
 min-width : 0;
 border : none;
 animation : anim3d003 7s ease-in;
 transform-origin : bottom left;
 transition : transform 2s 1s ease-in, background-color 5s 4s;
}

nav + section article:first-of-type:hover
{
 z-index : 3;
 transition : transform 4s 3s ease-out, background-color 1s;
 transform : scale(1.5);
}

nav + section article:nth-of-type(2)
{
 flex : 1;
 z-index : 2;
}

nav + section article:last-of-type
{
 text-align : center;
 width : 100%;
 background-color : rgba(0, 0, 0, 0.95);
}

nav + section article:last-of-type:hover
{
 background-color : #000;
}