.centere {
  width: 100%;
  text-align: center
}

.centered {
  margin: auto;
  display: inline-block;
}

.clickable {
  cursor: pointer;
}

.no-under a {
  text-decoration: none;
  font-weight: bold;
  color: black;
  
}

.sign-table {
  width: 100%;
}

.ad2hs-prompt {
  background-color: green;
  color: white;
  text-align: center;
  cursor: pointer;
  line-height: 30px;
}

.mdl-card {
  width: 320px;
  height: 320px;
}

table {
  margin-left: auto;
  margin-right: auto;
}

.youtube > .mdl-card__title {
  color: #000;
  background: url('../assets/youtube.png') bottom right 15% no-repeat #46B6AC;
  background-color: white;
}

.facebook > .mdl-card__title {
  color: #000;
  background: url('../assets/facebook.png') bottom right 15% no-repeat #46B6AC;
  background-color: white;
}

.signups > .mdl-card__title {
  color: #000;
  background: url('../assets/signup.png') bottom right 15% no-repeat #46B6AC;
  background-color: white;
}

.ribbons > .mdl-card__title {
  color: #000;
  background: url('../assets/ribbon.png') top left 15% no-repeat #46B6AC;
  background-color: white;
}

.resources > .mdl-card__title {
  color: #000;
  background: url('../assets/resources.png') bottom right 15% no-repeat #46B6AC;
  background-color: white;
}

.calendar.mdl-card {
  width: 320px;
  height: 320px;
  background: #3E4EB8;
}

.calendar > .mdl-card__actions {
  border-color: rgba(255, 255, 255, 0.2);
}

.calendar > .mdl-card__title {
  align-items: flex-start;
  display: inline-block;
  vertical-align: middle;
  line-height: normal;
}

.calendar > .mdl-card__title > h4 {
  margin-top: 0;
}

.calendar > .mdl-card__actions {
  display: flex;
  box-sizing: border-box;
  align-items: center;
}

.calendar > .mdl-card__actions > .material-icons {
  padding-right: 10px;
}

.calendar > .mdl-card__title,
.calendar > .mdl-card__actions,
.calendar > .mdl-card__actions > .mdl-button {
  color: #fff;
}