.left,
.region-left {
    float: left;
}

.right,
.region-right {
    float: right;
}

.clear {
    clear: both;
}

.region-right,
.region-left {
    width: 50%;
}

.content-padding,
.content-top-padding {
    padding-top: 20px;
}

.content-padding,
.content-side-padding {
    padding-left: 20px;
    padding-right: 20px;
}

.center-margin {
    margin: 0 auto 0 auto;
}

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

.bold {
    font-weight: bold;
}

.backdrop-container {
    position: relative;
}

.backdrop {
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(200,200,200,0.7);
  width: 100%;
  height: 100%;
  z-index: 10;
}