@charset "utf-8";
/* CSS Document */
/** media queries **/
@media screen and (max-width: 780px) {
  #portfolio li {
    width: 45%;
  }
}
 
@media screen and (max-width: 550px) {
  #portfolio { 
    text-align: center;
  }
 
  #portfolio li {
    float: none;
    display: inline-block;
    width: 80%;
    margin-bottom: 30px;
  }
}