#preview-loading {
    display:none;
}

#preview-loading span:nth-child(1) {
    animation: blink1;
    animation-duration: 0.5s;
    font-size: 30px;
    /** Iterations, in this case forever*/
    animation-iteration-count: infinite;
}

#preview-loading span:nth-child(2) {
    animation: blink2;
    animation-duration: 0.5s;
    font-size: 30px;
    /** Iterations, in this case forever*/
    animation-iteration-count: infinite;
}

#preview-loading span:nth-child(3) {
    animation: blink3;
    animation-duration: 0.5s;
    font-size: 30px;
    /** Iterations, in this case forever*/
    animation-iteration-count: infinite;
}

@keyframes blink1 {
    /** Starting the animation at opacity 0.2  
    * And making it clearer.*/
    0% {
        opacity: 0.2;
    }

    30%  {
        opacity: 1;
    }

    90% {
        opacity: 1
    }

    100% {
        opacity: 0.2;
    }


} 

@-webkit-keyframes blink1 {
    /** Starting the animation at opacity 0.2  
    * And making it clearer.*/
    0% {
        opacity: 0.2;
    }

    30% {
        opacity: 1;
    }

    90% {
        opacity: 1
    }

    100% {
        opacity: 0.2;
    }



} 

@keyframes blink2 {
    /** Starting the animation at opacity 0.2  
    * And making it clearer.*/
    0% {
        opacity: 0.2;
    }

    30% {
        opacity: 0.2;
    }

    60% {
        opacity: 1;
    }

    90% {
        opacity: 1
    }

    100% {
        opacity: 0.2;
    }


} 

@-webkit-keyframes blink2 {
    /** Starting the animation at opacity 0.2  
    * And making it clearer.*/
    0% {
        opacity: 0.2;
    }

    30% {
        opacity: 0.2;
    }
    
    60% {
        opacity: 1;
    }

    90% {
        opacity: 1
    }

    100% {
        opacity: 0.2;
    }



} 

@keyframes blink3 {
    /** Starting the animation at opacity 0.2  
    * And making it clearer.*/
    0% {
        opacity: 0.2;
    }

    60% {
        opacity: 0.2;
    }

    90% {
        opacity: 1
    }

    100% {
        opacity: 0.2;
    }


} 

@-webkit-keyframes blink3 {
    /** Starting the animation at opacity 0.2  
    * And making it clearer.*/
    0% {
        opacity: 0.2;
    }

    60% {
        opacity: 0.2;
    }

    90% {
        opacity: 1
    }

    100% {
        opacity: 0.2;
    }



}