Tunnel

1<div class="container">
2  <div class="radial">
3  </div>
4  <div class="outlined"></div>
5  <div class="outlined _2"></div>
6  <div class="outlined _3"></div>
7  <div class="outlined _4"></div>
8  <div class="outlined _5"></div>
9  <div class="outlined _6"></div>
10</div>