body { background-color: #ffffff; }

.logo {
    background-image: url("../images/logo-harcosgyokereknelkul.svg");
    background-repeat: no-repeat;
	background-size: contain;
    width: 300px;
    height: 243px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@media only screen and (max-width: 767px) {
    .logo {
        background-image: url("../images/logo-harcosgyokereknelkul.svg");
        width: 300px;
        height: 243px;
    }
}