piskel/dev/css/dialogs.css

#dialog-container-wrapper {
  position: absolute;
  z-index: 20000;

  top: 0;
  right: 0;
  bottom: 0;
  left: 0;

  padding: 50px 150px;
  overflow: hidden;

  box-sizing: border-box;
  -moz-box-sizing : border-box;

  background-color: rgba(0,0,0,0.8);
  opacity: 0;
  pointer-events: none;

  color: white;
}

#dialog-container-wrapper.animated {
  transition: opacity 0.2s;
}

#dialog-container-wrapper.show {
  opacity: 1;
  pointer-events: auto;
}

#dialog-container {
  width: 100%;
  height:  100%;

  margin-top: -1500px;

  box-sizing: border-box;
  -moz-box-sizing : border-box;

  border-radius: 3px;
  border : 3px solid var(--highlight-color);
  background: #444;
  overflow: auto;
}

.show #dialog-container {
  margin-top: 0;
}

.dialog-wrapper {
  height: 100%;
  position : relative;
}

.dialog-content {
  position: absolute;
  top: 45px;
  bottom: 0;
  width: 100%;
  box-sizing: border-box;
}

.dialog-head {
  width: 100%;
  background: var(--highlight-color);
  margin: 0;
  padding: 10px;
  color: black;
  font-size: 1.8em;
  height: 45px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
}

.dialog-close {
  position: absolute;
  top: 0;
  right: 0;
  line-height: 45px;
  margin-right: 10px;
  font-size: 1.3em;
  cursor: pointer;
}