#logo{}
#logo::before {
	content: "";
	background-color: #fff;
	height: 450px;
	width: 450px;
	display: block;
	position: absolute;
	border-radius: 100%;
	margin-left: -158px;
	margin-top: -195px;
	z-index: -1;
}
#logo img {
	max-width: 250px;
}
#decor h3 a{text-decoration:none;}
@media (max-width: 780px){

    #logo::before {
        content: "";
        background-color: #fff;
        height: 300px;
        width: 300px;
        display: block;
        position: absolute;
        border-radius: 100%;
        margin-left: -107px;
        margin-top: -152px;
        z-index: -1;
    }
}