body { background-color:#efefef; }

section.container_wrap { position: relative; max-width:640px; margin:0 auto;}
section.container_wrap .screen_bg.on {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 31;    
    background-color: rgba(0,0,0,0.5);
    -webkit-animation: fade 500ms;
    -moz-animation: fade 500ms;
    -o-animation: fade 500ms;
    animation: fade 500ms;
    box-shadow:inset 0px 3px 2px rgba(0,0,0,0.3);
}
section.container_wrap .ly_containner {position: relative; padding:0 15px;}
section.container_wrap .fl_containner {position: relative; overflow: hidden;}
section.container_wrap .lp_containner {position: relative; padding-left: 15px;}
section.container_wrap .grid-nm .fl_containner {background: #fff;}
section.container_wrap .grid-nm .ly_containner {background: #fff;}
section.container_wrap .grid-nm .lp_containner {background: #fff;}
section.container_wrap .grid-bp .fl_containner {background: #fff;}

.grid-bg {
    margin: 0;
    padding: 5px 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box; 
    background: #efefef;
}