#particles-js {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
    width: 100%;
    height: 80%;
}


/* Animation */
.cb-slideshow,
.cb-slideshow:after {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    z-index: 0;
}

.cb-slideshow li {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    color: transparent;
    background-size: cover;
    background-position: 50% 50%;
    background-repeat: none;
    opacity: 0;
    z-index: 0;
    -webkit-backface-visibility: hidden;
    -webkit-animation: imageAnimation 72s linear infinite 0s;
    -moz-animation: imageAnimation 72s linear infinite 0s;
    -o-animation: imageAnimation 72s linear infinite 0s;
    -ms-animation: imageAnimation 72s linear infinite 0s;
    animation: imageAnimation 72s linear infinite 0s;

}


.cb-slideshow li:nth-child(1) { 
    background-image: url(../../images/slideshow/letter_bg_01.jpg)
}
.cb-slideshow li:nth-child(2) { 
    background-image: url(../../images/slideshow/letter_bg_02.jpg);
    -webkit-animation-delay: 12s;
    -moz-animation-delay: 12s;
    -o-animation-delay: 12s;
    -ms-animation-delay: 12s;
    animation-delay: 12s; 
}
.cb-slideshow li:nth-child(3) { 
    background-image: url(../../images/slideshow/letter_bg_03.jpg);
    -webkit-animation-delay: 24s;
    -moz-animation-delay: 24s;
    -o-animation-delay: 24s;
    -ms-animation-delay: 24s;
    animation-delay: 24s; 
}
.cb-slideshow li:nth-child(4) { 
    background-image: url(../../images/slideshow/letter_bg_01.jpg);
    animation-delay: 36s; 
}
.cb-slideshow li:nth-child(5) { 
    background-image: url(../../images/slideshow/letter_bg_02.jpg);
    animation-delay: 48s; 
}
.cb-slideshow li:nth-child(6) { 
    background-image: url(../../images/slideshow/letter_bg_03.jpg);
    animation-delay: 60s; 
}


@keyframes imageAnimation { 
	0% {
	    opacity: 0;
	    animation-timing-function: ease-in;
	}
	8% {
	    opacity: 0.4;
	    transform: scale(1.15);
	    animation-timing-function: ease-out;
	}
	17% {
	    opacity: 0.4;
	    transform: scale(1.20);
	}
	25% {
	    opacity: 0;
	    transform: scale(1.40);
	}
	100% { opacity: 0 }
}