#C_html{
width: 900px;
margin: auto;
min-height: 550px
}
.intro{
    float: right;
    width: 600px;
    margin: 100px auto;
    /* min-height:250px; */
    font-weight: 200;
    font: 16px sans-serif;
}
#c_img_left{
  float: left;
  width: 250px;
  margin-top:100px; 
}
#C_link a{
    display: inline-block;
}