.text-center {
  text-align: center;
}

.flex-valing {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mdl-list__item a {
  width: 100%;
  text-align: center;
}

.mdl-layout__header-row {
  padding: 0 16px 0 20px;
}

.mdl-cell--12-col,
.mdl-cell--12-col-phone.mdl-cell--12-col-phone {
  width: calc(100vw - 16px);
}