.sf_blog_header_wrapper {
    clear: both;
    position: relative;
    width: 900px;
    height: 100px;
    min-height: 100px;
    background-position: left;
    background-image: url(images/key_visual202.jpg);
    background-repeat: no-repeat;
 }

 .sf_blog_main_header {
    float: left;
    text-align: left;
    padding-left: 315px;
    padding-top: 8px;
    display: block;
    width: 420px;
    height: 50px;
    font-weight: bold;
    overflow: hidden;
    font-family: arial;
    font-size: 24px;
    color: #000000;
 }

 .sf_blog_sub_header {
    float: left;
    text-align: left;
    padding-left: 315px;
    padding-top: 3px;
    display: block;
    width: 420px;
    height: 30px;
    font-weight: normal;
    font-family: arial;
    font-size: 16px;
    color: #333333;
 }