@import url('https://fonts.googleapis.com/css?family=Cookie');

        #box_login {
        }
    #bg {
        position: fixed;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        -webkit-filter: contrast(1.4) saturate(1.8);
    }
    #bg img {
      position: absolute; 
      top: 0; 
      left: 0; 
      right: 0; 
      bottom: 0; 
      margin: auto; 
      min-width: 50%;
      min-height: 50%;
    }
    #loading{
        background-color: rgba(0, 0, 0, 0.8);
        background: rgba(0, 0, 0, 0.8);
        color: rgba(0, 0, 0, 0.8);
        z-index: 99999;
        width: 105%;
        height: 100%;
        position: fixed;
        padding: 0px;
        text-align: center;
    }