.overlay {
    background-color: white;  <- I left your 'gray' background
    display: none;        <- Not displayed by default
    position: absolute;
    width: 100%;
      <- This and the following properties will
    top: 0;                  make the overlay, the element will expand
    right: 0;                so as to cover the whole body of the page
    bottom: 0;
    left: 0;
    opacity: 0.5;
    z-index: 100;
}

.cssload-loader {
	position: fixed;
	top: 50%;
	left: 45%;
	width: 112px;
	height: 112px;
	border-radius: 50%;
		-o-border-radius: 50%;
		-ms-border-radius: 50%;
		-webkit-border-radius: 50%;
		-moz-border-radius: 50%;
	perspective: 1400px;
	z-index: 100;
}

.cssload-inner {
	position: absolute;
	width: 100%;
	height: 100%;
	box-sizing: border-box;
		-o-box-sizing: border-box;
		-ms-box-sizing: border-box;
		-webkit-box-sizing: border-box;
		-moz-box-sizing: border-box;
	border-radius: 50%;
		-o-border-radius: 50%;
		-ms-border-radius: 50%;
		-webkit-border-radius: 50%;
		-moz-border-radius: 50%;	
}

.cssload-inner.cssload-one {
	left: 0%;
	top: 0%;
	animation: cssload-rotate-one 0.8s linear infinite;
		-o-animation: cssload-rotate-one 0.8s linear infinite;
		-ms-animation: cssload-rotate-one 0.8s linear infinite;
		-webkit-animation: cssload-rotate-one 0.8s linear infinite;
		-moz-animation: cssload-rotate-one 0.8s linear infinite;
	border-bottom: 5px solid rgb(92,178,224);
}

.cssload-inner.cssload-two {
	right: 0%;
	top: 0%;
	animation: cssload-rotate-two 0.8s linear infinite;
		-o-animation: cssload-rotate-two 0.8s linear infinite;
		-ms-animation: cssload-rotate-two 0.8s linear infinite;
		-webkit-animation: cssload-rotate-two 0.8s linear infinite;
		-moz-animation: cssload-rotate-two 0.8s linear infinite;
	border-right: 5px solid rgb(92,178,224);
}

.cssload-inner.cssload-three {
	right: 0%;
	bottom: 0%;
	animation: cssload-rotate-three 0.8s linear infinite;
		-o-animation: cssload-rotate-three 0.8s linear infinite;
		-ms-animation: cssload-rotate-three 0.8s linear infinite;
		-webkit-animation: cssload-rotate-three 0.8s linear infinite;
		-moz-animation: cssload-rotate-three 0.8s linear infinite;
	border-top: 5px solid rgb(92,178,224);
}







@keyframes cssload-rotate-one {
	0% {
		transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
	}
	100% {
		transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
	}
}

@-o-keyframes cssload-rotate-one {
	0% {
		-o-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
	}
	100% {
		-o-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
	}
}

@-ms-keyframes cssload-rotate-one {
	0% {
		-ms-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
	}
	100% {
		-ms-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
	}
}

@-webkit-keyframes cssload-rotate-one {
	0% {
		-webkit-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
	}
	100% {
		-webkit-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
	}
}

@-moz-keyframes cssload-rotate-one {
	0% {
		-moz-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
	}
	100% {
		-moz-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
	}
}

@keyframes cssload-rotate-two {
	0% {
		transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
	}
	100% {
		transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
	}
}

@-o-keyframes cssload-rotate-two {
	0% {
		-o-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
	}
	100% {
		-o-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
	}
}

@-ms-keyframes cssload-rotate-two {
	0% {
		-ms-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
	}
	100% {
		-ms-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
	}
}

@-webkit-keyframes cssload-rotate-two {
	0% {
		-webkit-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
	}
	100% {
		-webkit-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
	}
}

@-moz-keyframes cssload-rotate-two {
	0% {
		-moz-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
	}
	100% {
		-moz-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
	}
}

@keyframes cssload-rotate-three {
	0% {
		transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
	}
	100% {
		transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
	}
}

@-o-keyframes cssload-rotate-three {
	0% {
		-o-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
	}
	100% {
		-o-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
	}
}

@-ms-keyframes cssload-rotate-three {
	0% {
		-ms-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
	}
	100% {
		-ms-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
	}
}

@-webkit-keyframes cssload-rotate-three {
	0% {
		-webkit-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
	}
	100% {
		-webkit-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
	}
}

@-moz-keyframes cssload-rotate-three {
	0% {
		-moz-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
	}
	100% {
		-moz-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
	}
}