#zych-preloader{
position:fixed;inset:0;background:#fff;display:flex;
justify-content:center;align-items:center;z-index:999999;
transition:opacity .4s ease;
}
#zych-preloader img{
width:140px;
animation:zychPulse 1.2s ease-in-out infinite;
}
@keyframes zychPulse{
0%{transform:scale(.9);opacity:.5;}
50%{transform:scale(1);opacity:1;}
100%{transform:scale(.9);opacity:.5;}
}