.tags_block .block_content {
    overflow: hidden; 
    }

.tags_block .block_content a {
    display: inline-block;
    font: 500 15px "Roboto", sans serif;
    padding: 12px 20px;
    border: 1px solid #1b1b1b;
    float: left;
    margin: 0 10px 10px 0;
	color: #1b1b1b; 
	-moz-transition: all 0.4s ease 0s;
    -webkit-transition: all 0.4s ease 0s;
    -o-transition: all 0.4s ease 0s;
    -ms-transition: all 0.4s ease 0s;
    transition: all 0.4s ease 0s; 

	letter-spacing: 0.5px;
	}

.tags_block .block_content a:hover {
    color: white;
    background: #1b1b1b; 
	  }