.ajax-loader .modal {
    display:    none;
    position:   absolute;
    z-index:    40;
    top:        0;
    left:       0;
    height:     100%;
    width:      100%;
    background: rgba( 255, 255, 255, .8 )
                url('/o/CetelemPTTheme/images/green_loader.gif')
                50% 50% 
                no-repeat;
   background-size:40px;
   min-height:450px;
   min-width:auto;
}

.ajax-loader.error-loader .modal {
    background: rgba( 255, 255, 255, .8 )
                url('/o/CetelemPTTheme/images/error-loader.png')
                50% 50%
                no-repeat;
    background-size: 50px;
}

.loading {
    overflow: hidden;
    position:relative;
}

.loading .ajax-loader .modal {
    display: block;
}