body {
  background-color: #efefef; }

body,
html,
#main {
  width: 100%;
  height: 100%;
  margin: 0; }

.logo {
  max-width: 110px; }

#main {
  display: flex;
  align-items: center;
  justify-content: center; }

.buttons-wrapper {
  text-align: center;
  margin-top: 20px;
  position: absolute;
  bottom: 20px; }
  .buttons-wrapper a {
    color: black;
    text-decoration: none;
    margin: 0 5px; }