.d-btn--flat.-bgwhite
{padding:20px;border-radius:4px;background:#fff;font-size:1.6rem;font-weight:400;width:100%; max-width:350px ; margin: auto; display:block;}

.d-btn--flat.-bgwhite:hover>span
{color:#fff}

.d-btn--flat.-bgwhite.-textblue>span
{color:#033B88}

.d-btn--flat.-bgwhite.-textblue:hover
{background:#033B88}

.d-btn--flat.-bgwhite.-textblue:hover>span
{color:#fff}