.loading
        {
            position: fixed;
            z-index: 999;
            height: 2em;
            width: 2em;
            overflow: show;
            margin: auto;
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
        }

            /* Transparent Overlay */
            .loading:before
            {
                content: '';
                display: block;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background-color: rgba(0,0,0,0.3);
            }

            /* :not(:required) hides these rules from IE9 and below */
            .loading:not(:required)
            {
                /* hide "loading..." text */
                font: 0/0 a;
                color: transparent;
                text-shadow: none;
                background-color: transparent;
                border: 0;
            }

                .loading:not(:required):after
                {
                    content: '';
                    display: block;
                    font-size: 10px;
                    width: 1em;
                    height: 1em;
                    margin-top: -0.5em;
                    -webkit-animation: spinner 1500ms infinite linear;
                    -moz-animation: spinner 1500ms infinite linear;
                    -ms-animation: spinner 1500ms infinite linear;
                    -o-animation: spinner 1500ms infinite linear;
                    animation: spinner 1500ms infinite linear;
                    border-radius: 0.5em;
                    -webkit-box-shadow: rgba(0, 0, 0, 0.75) 1.5em 0 0 0, rgba(0, 0, 0, 0.75) 1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) 0 1.5em 0 0, rgba(0, 0, 0, 0.75) -1.1em 1.1em 0 0, rgba(0, 0, 0, 0.5) -1.5em 0 0 0, rgba(0, 0, 0, 0.5) -1.1em -1.1em 0 0, rgba(0, 0, 0, 0.75) 0 -1.5em 0 0, rgba(0, 0, 0, 0.75) 1.1em -1.1em 0 0;
                    box-shadow: rgba(0, 0, 0, 0.75) 1.5em 0 0 0, rgba(0, 0, 0, 0.75) 1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) 0 1.5em 0 0, rgba(0, 0, 0, 0.75) -1.1em 1.1em 0 0, rgba(0, 0, 0, 0.75) -1.5em 0 0 0, rgba(0, 0, 0, 0.75) -1.1em -1.1em 0 0, rgba(0, 0, 0, 0.75) 0 -1.5em 0 0, rgba(0, 0, 0, 0.75) 1.1em -1.1em 0 0;
                }

        /* Animation */

        @-webkit-keyframes spinner
        {
            0%
            {
                -webkit-transform: rotate(0deg);
                -moz-transform: rotate(0deg);
                -ms-transform: rotate(0deg);
                -o-transform: rotate(0deg);
                transform: rotate(0deg);
            }

            100%
            {
                -webkit-transform: rotate(360deg);
                -moz-transform: rotate(360deg);
                -ms-transform: rotate(360deg);
                -o-transform: rotate(360deg);
                transform: rotate(360deg);
            }
        }

        @-moz-keyframes spinner
        {
            0%
            {
                -webkit-transform: rotate(0deg);
                -moz-transform: rotate(0deg);
                -ms-transform: rotate(0deg);
                -o-transform: rotate(0deg);
                transform: rotate(0deg);
            }

            100%
            {
                -webkit-transform: rotate(360deg);
                -moz-transform: rotate(360deg);
                -ms-transform: rotate(360deg);
                -o-transform: rotate(360deg);
                transform: rotate(360deg);
            }
        }

        @-o-keyframes spinner
        {
            0%;

        {
            -webkit-transform: rotate(0deg);
            -moz-transform: rotate(0deg);
            -ms-transform: rotate(0deg);
            -o-transform: rotate(0deg);
            transform: rotate(0deg);
        }

        100%
        {
            -webkit-transform: rotate(360deg);
            -moz-transform: rotate(360deg);
            -ms-transform: rotate(360deg);
            -o-transform: rotate(360deg);
            transform: rotate(360deg);
        }

        }

        @keyframes spinner
        {
            0%
            {
                -webkit-transform: rotate(0deg);
                -moz-transform: rotate(0deg);
                -ms-transform: rotate(0deg);
                -o-transform: rotate(0deg);
                transform: rotate(0deg);
            }

            100%
            {
                -webkit-transform: rotate(360deg);
                -moz-transform: rotate(360deg);
                -ms-transform: rotate(360deg);
                -o-transform: rotate(360deg);
                transform: rotate(360deg);
            }
        }
    </style>
    <style type="text/css">
        .myButton {
	background-color:#44c767;
	border:1px solid #18ab29;
	display:inline-block;
	cursor:pointer;
	color:#ffffff;
	font-family:Arial;
	font-size:17px;
	padding:5px 15px;
	text-decoration:none;
	text-shadow:0px 1px 0px #2f6627;
}
.myButton:hover {
	background-color:#5cbf2a;
}
.myButton:active {
	position:relative;
	top:1px;
}