#round-refresh{
position:fixed;
bottom:20px;
right:20px;
width:55px;
height:55px;
background:#fc9;
color:#000;
font-size:30px;
font-weight:bold;
text-align:center;
line-height:55px;
border-radius:50%;
border:2px solid #000;
cursor:pointer;
z-index:9999;
box-shadow:0 3px 8px rgba(0,0,0,0.4);
}

/* click animation */
#round-refresh:active{
transform:rotate(180deg) scale(0.95);
}