#site-header-logo {
    position: relative;
    margin: 0 auto;
    max-width: 960px;
    height: 53px;
}

#site-header-logo.is-sticky {
    height: 43px;
}

    #site-header-logo.is-sticky > a {
        top: -10px;
        height: 57px;
    }

@media only screen and (max-width: 660px) {
    #site-header-logo.is-sticky {
        height: 53px;
    }

        #site-header-logo.is-sticky > a {
            top: 0;
        }
}

#site-header-logo > a {
    position: absolute;
    top: 0px;
    left: 0;
    margin: 0;
    width: 71px;
    height: 56px;
    background-image: url('/Content/Images/site-header-logo-square.png');
    background-size: 100%;
    -ms-behavior: url(/Content/backgroundsize.min.htc);
}

@media only screen and (min-width: 660px) {
    #site-header-logo.is-not-sticky {
        height: 64px;
    }

    #site-header-logo.is-not-sticky > a {
        width: 64px;
        height: 64px;
        background-image: url('/Content/Images/site-header-logo.png');
        background-size: 100%;
        -ms-behavior: url(/Content/backgroundsize.min.htc);
    }
}

@media only screen and (min-width: 760px) {
    #site-header-logo.is-not-sticky {
        height: 64px;
    }

        #site-header-logo.is-not-sticky > a {
            top: -17px;
            width: 98px;
            height: 98px;
            background-image: url('/Content/Images/site-header-logo.png');
            background-size: 100%;
            -ms-behavior: url(/Content/backgroundsize.min.htc);
        }
}