.mdl-layout__header {
    min-height: 48px;
}

.mdl-layout__drawer-button {
    height: 32px;
    width: 32px;
}

.mdl-layout__header-row{
    height: 48px;
    padding: 0px 20px 0 40px;
}

.mdl-layout__header-row .mdl-navigation{
    height: 48px;
}
.mdl-layout__header-row .mdl-navigation__link{
    line-height: 48px;
}

@media screen and (min-width: 1025px) {
    .mdl-layout__drawer-button {
        line-height: 38px;
    }
}