.popBtn {
    font-size:2.5em;
    color:#FFF;
    background:#006633;
    position:absolute;
    top:380px;
    padding:20px;
    border-radius:10px;
    transition:all 0.3s ease;
}

.popBtn:hover {
	transform:scale(0.9,0.9);
	cursor: pointer;
}