.particles{position:absolute;left:-9999999px;}

.particle{
    opacity:0.6;
    position:fixed;
    top:0;
    left:0;
    display: block;
    width: 100px;
    height: 100px;
    z-index: 1;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    pointer-events: none;
}

.particle.suit {
    background-image: url(../img/particle-3.svg);
}

.particle.cross {
    background-image: url(../img/particle-1.svg);
}

.particle.ring {
    background-image: url(../img/particle-2.svg);
}