.iconmelon {
    display: block;
    margin: auto;
}

#particlesx {
    width: 100%;
    height: 100%;
    overflow: hidden;
    top: 0;                        
    bottom: 0;
    left: 0;
    right: 0;
    position: absolute;
    z-index: -5;
	background: black;
	opacity: 0.6;
}

#particles {
    width: 100%;
    height: 100%;
    overflow: hidden;
    top: 0;                        
    bottom: 0;
    left: 0;
    right: 0;
    position: absolute;
    z-index: -2;
}

.iconmelon,
.im {
  position: relative;
  width: 150px;
  height: 150px;
  display: block;
  fill: #525151;
}

.iconmelon:after,
.im:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}