web-ui-wifi/css/style.css

.loader-inner {
    bottom: 0;
    height: 60px;
    left: 0;
    margin: auto;
    position: absolute;
    right: 0;
    top: 0;
    width: 100px;
}

.loader-line-wrap {
    -webkit-animation: 
		spin 2000ms cubic-bezier(.175, .885, .32, 1.275) infinite
	;
            animation: 
		spin 2000ms cubic-bezier(.175, .885, .32, 1.275) infinite
	;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    height: 50px;
    left: 0;
    overflow: hidden;
    position: absolute;
    top: 0;
    -webkit-transform-origin: 50% 100%;
            transform-origin: 50% 100%;
    width: 100px;
}
.loader-line {
    border: 4px solid transparent;
    border-radius: 100%;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    height: 100px;
    left: 0;
    margin: 0 auto;
    position: absolute;
    right: 0;
    top: 0;
    width: 100px;
}
.loader-line-wrap:nth-child(1) { -webkit-animation-delay: -50ms; animation-delay: -50ms; }
.loader-line-wrap:nth-child(2) { -webkit-animation-delay: -100ms; animation-delay: -100ms; }
.loader-line-wrap:nth-child(3) { -webkit-animation-delay: -150ms; animation-delay: -150ms; }
.loader-line-wrap:nth-child(4) { -webkit-animation-delay: -200ms; animation-delay: -200ms; }
.loader-line-wrap:nth-child(5) { -webkit-animation-delay: -250ms; animation-delay: -250ms; }

.loader-line-wrap:nth-child(1) .loader-line {
    border-color: hsl(0, 80%, 60%);
    height: 90px;
    width: 90px;
    top: 7px;
}
.loader-line-wrap:nth-child(2) .loader-line {
    border-color: hsl(60, 80%, 60%);
    height: 76px;
    width: 76px;
    top: 14px;
}
.loader-line-wrap:nth-child(3) .loader-line {
    border-color: hsl(120, 80%, 60%);
    height: 62px;
    width: 62px;
    top: 21px;
}
.loader-line-wrap:nth-child(4) .loader-line {
    border-color: hsl(180, 80%, 60%);
    height: 48px;
    width: 48px;
    top: 28px;
}
.loader-line-wrap:nth-child(5) .loader-line {
    border-color: hsl(240, 80%, 60%);
    height: 34px;
    width: 34px;
    top: 35px;
}

@-webkit-keyframes spin {
    0%, 15% {
		-webkit-transform: rotate(0);
		        transform: rotate(0);
	}
	100% {
		-webkit-transform: rotate(360deg);
		        transform: rotate(360deg);
	}
}

@keyframes spin {
    0%, 15% {
		-webkit-transform: rotate(0);
		        transform: rotate(0);
	}
	100% {
		-webkit-transform: rotate(360deg);
		        transform: rotate(360deg);
	}
}