<ul class="ul-main"> <li class="li-main">block 1</li> <li class="li-main">block 1</li> <li class="li-main">block 1</li> <li class="li-main">block 1</li> <li class="li-main">block 1</li> <li class="li-main">block 1</li> <li class="li-main">block 1</li> <li class="li-main">block 1</li> </ul>