#portfolio_tem {
  margin-top: 70px; }
  #portfolio_tem .left_box {
    margin-left: 0; }
    #portfolio_tem .left_box .big {

      position: relative;
      height:290px;

    }
      #portfolio_tem .left_box .big img {
        position: absolute;
        border-radius: 5px; 
        
      }
  #portfolio_tem .thumbs .thumb {
    float: left;
    position: relative;
    margin-right: 5px;
    cursor: pointer;
    margin-bottom: 10px; }
    #portfolio_tem .thumbs .thumb.last {
      margin: 0; }
    #portfolio_tem .thumbs .thumb:hover .mask {
      display: block;
      opacity: 1;
      filter: alpha(opacity=100); }
    #portfolio_tem .thumbs .thumb .mask {
      position: absolute;
      opacity: 0;
      filter: alpha(opacity=0);
      box-shadow: 0px 1px 6px 2px #b1b1b1;
      top: 0px;
      left: 0px;
      border-radius: 5px;
      height: 100%;
      width: 100%;
      background: rgba(17, 137, 217, 0.5);
      -webkit-transition: opacity .25s ease-in-out;
      -moz-transition: opacity .25s ease-in-out;
      transition: opacity .25s ease-in-out; }
      #portfolio_tem .thumbs .thumb .mask .more {
        color: #fff;
        font-size: 30px;
        font-weight: bold;
        position: absolute;
        bottom: 40%;
        left: 43%; }
  #portfolio_tem .right_box {
    float: right;
    margin-top: 14px; }
    #portfolio_tem .right_box h2 {
      font-size: 28px;
      line-height: 27px;
      margin: 0 0 25px 0; }
    #portfolio_tem .right_box p {
      font-size: 14px;
      line-height: 24px;
      margin-bottom: 18px;
      color: #3F3F3F; }

/* Responsive
-------------------------------------------------- */
@media (min-width: 768px) and (max-width: 991px) {
  #portfolio_tem .left_box .big {
    height: 330px; } }
@media (max-width: 767px) {
  #portfolio_tem .left_box {
    margin-bottom: 10px; }
    #portfolio_tem .left_box .thumbs {
      overflow: hidden; } }
@media (max-width: 480px) {
  #portfolio_tem .left_box .big {
    max-height: 350px; }
    #portfolio_tem .left_box .big img {
      margin-bottom: 10px;
      max-height: 350px;
      width: 100%; }
  #portfolio_tem .thumbs .thumb {
    margin-right: 5px; } }