JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    
<div class="splash" ng-cloak="">
    <p>Loading</p>
    <div class="activity-box" >
		<img src="http://i.imgur.com/O24aDk1.png" width="40" height="40"/>
	</div>
    
</div>
    
<!-- rest of app -->
<div ng-cloak="">
    <input ng-model="name" type="text" placeholder="Your name">
    <h1>Hello {{ name }}</h1>
</div>
</body>

CSS

.activity-box {
    display: block;
    position: fixed; /* fixed position so it doesn't scroll */
    z-index: 9999; /* on top of everything else */
    width: 250px;
    margin-left: -125px; /* horizontally centered */
    left: 50%;
    top: 10px; /* displayed on the top of the page, just like Gmail's yellow info-box */
    height: 40px;
    padding: 10px;
    background-color: #f3e9b5;
    border-radius: 4px;
}

/* styles for the activity text */
.activity-box span {
    display: block;
    position: relative;
    margin-left: 60px;
    margin-top: 10px;
    font-family: arial;
    font-size: 15px;
}

/* animating a static image */
.activity-box img {
    display: block;
    position: absolute;
    width: 40px;
    height: 40px;
    /* Below is the key for the rotating animation */
    -webkit-animation: spin 1s infinite linear;
    -moz-animation: spin 1s infinite linear;
    -o-animation: spin 1s infinite linear;
    animation: spin 1s infinite linear;
}

/* keyframe animation defined for various browsers */
@-moz-keyframes spin {
    0% { -moz-transform: rotate(0deg); }
    100% { -moz-transform: rotate(359deg); }
}
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(359deg); }
}
@-o-keyframes spin {
    0% { -o-transform: rotate(0deg); }
    100% { -o-transform: rotate(359deg); }
}
@-ms-keyframes spin {
    0% { -ms-transform: rotate(0deg); }
    100% { -ms-transform: rotate(359deg); }
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(359deg); }
}



[ng-cloak].splash {
    display: block !important;
}
.splash {
    background-color: #428bca;
    display: none;
}

JavaScript

angular.module('myApp', []);

var body = document.getElementsByTagName('body')[0];

setTimeout(function() {
  body.setAttribute('ng-app', 'myApp');
  angular.bootstrap(body, ['ng', 'myApp']);
}, 1000);