Hotspots Size

Hi

Is there a way to control hotspots size ?? I could come out with this but it doesnt work in mobile. Thank you

.my-hotspot .av-hotspot-container .av-image-hotspot_inner {
display: block;
border-radius: 100px;
position: absolute;
height: 120%;
width: 120%;
text-decoration: none;
}
.my-hotspot .av-hotspot-container .av-image-hotspot-pulse {
display: block;
background: #fff;
border-radius: 100px;
height: 50px;
width: 50px;
position: absolute;
-webkit-animation: av_pulsate 2s ease-out infinite;
animation: av_pulsate 2s linear infinite;
opacity: 0;
top: -16px;
left: -11px;
z-index: 1;
}