How to disable blinking effect of clusters

Open file style.css locate this code

 

.cluster {
    border-radius: 30px;
    height: 18px;
    width: 18px;
    -webkit-animation: pulsate 1s ease-out;
    -webkit-animation-iteration-count: infinite;
    -moz-animation: pulsate 1s ease-out;
    -moz-animation-iteration-count: infinite;
    -o-animation: pulsate 1s ease-out;
    -o-animation-iteration-count: infinite;
    animation: pulsate 1s ease-out;
    animation-iteration-count: infinite; 
    opacity: 0.0;
    background-color: #a8a8a8;
    color:#fff;
    font-weight: bold;
    padding: 5px;
    text-align: center; 
}

Replace the code with this

.cluster {
    border-radius: 30px;
    height: 18px;
    width: 18px;
    opacity: 0.0;
    background-color: #a8a8a8;
    color:#fff;
    font-weight: bold;
    padding: 5px;
    text-align: center; 
}