mat.services/sass/extra.scss

// Logo
div.brand>* {
  padding: 0 0.25em;
}

div.brand:hover img.logo {
  filter: brightness(0) invert(1);
}

img.logo {
  border: none;
  height: 0.75em;
  width: 0.75em;
  padding-right: 0.25em;
}

// Nav links
nav a {
  margin-left: 0.7em;
}

// Footer
.content {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

div.inner {
  flex-grow: 1;
}

header,
footer {
  flex-grow: 0;
  flex-shrink: 0;
}

footer {
  margin: 2em;
  color: grey;
  font-size: 0.75em;
}