element-ui/packages/theme-default/src/common/popup.css

A Component Library for Vue.js.

.v-modal-enter {
  animation: v-modal-in .2s ease;
}

.v-modal-leave {
  animation: v-modal-out .2s ease forwards;
}

@keyframes v-modal-in {
  0% {
    opacity: 0;
  }
  100% {
  }
}

@keyframes v-modal-out {
  0% {
  }
  100% {
    opacity: 0;
  }
}

.v-modal {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  background: #000;
}