.footer{
     position:fixed;
    bottom:0;
    left:0;
    
    width:100%;
    padding:18px;

    background:#ffffff;
    color:#399be6;
      margin:0;
  font-size:20px;
  font-weight:700;
  
  white-space:nowrap;

    text-align:center;
  

    /* نفس ظل الهيدر */
    box-shadow:0 -5px 15px rgba(0,0,0,0.1);

    z-index:999;
}