Post Block Link or Button Not working

Paste just add HTML LATOUT OR if CSS

<style>

.block-posts-container1 {
  max-width: 800px;
  font-family: "Roboto", sans-serif;
  margin: 0 auto;

}

.block-posts-title1 {
  position: relative;
}
</style>

HTML paste it postfooter down

              <b:if cond='data:blog.pageType == "item"'>  
    <div class='block-posts-container1'>
        <h2 class='block-posts-title1'>Block Posts 🚫</h2>

        <div class='block-posts1'/>
    </div>
              </b:if>