ohif-viewer/platform/ui/src/components/snackbar/Snackbar.css

.sb-container {
  position: fixed;
  width: var(--snackbar-size);
  padding: 20px;
  z-index: var(--snackbar-zIndex);
  box-sizing: border-box;
  height: auto;
}

.sb-topLeft {
  top: 0;
  bottom: auto;
  left: 0;
  right: auto;
}

.sb-topCenter {
  left: 50%;
  top: 0;
  bottom: auto;
  transform: translateX(-50%);
}

.sb-topRight {
  top: 0;
  bottom: auto;
  left: auto;
  right: 0;
}

.sb-bottomLeft {
  top: auto;
  bottom: 0px;
  left: 0px;
  right: auto;
}

.sb-bottomCenter {
  left: 50%;
  bottom: 0;
  top: auto;
  transform: translateX(-50%);
}

.sb-bottomRight {
  top: auto;
  bottom: 0px;
  left: auto;
  right: 0px;
  margin: 10px 0 0;
}

.sb-topLeft .sb-item,
.sb-topCenter .sb-item,
.sb-topRight .sb-item {
  margin: 10px 0 0;
}

.sb-bottomLeft .sb-item,
.sb-bottomCenter .sb-item,
.sb-bottomRight .sb-item {
  margin: 0 0 10px;
}

.sb-closeBtn {
  height: 20px;
  opacity: 1;
  overflow: hidden;
  padding: 2px;
  text-align: center;
  text-shadow: none;
  width: 20px;
  cursor: pointer;
  position: absolute;
  right: 5px;
  top: 5px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 100%;
}

.sb-closeBtn:hover {
  background: #fff;
}

.sb-closeIcon {
  display: block;
  font-size: 0;
  height: 100%;
  line-height: 0;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.sb-closeIcon:after,
.sb-closeIcon:before {
  content: ' ';
  display: block;
  height: 2px;
  transition: all 0.3s ease;
  width: 12px;
  background-color: #222;
  opacity: 1;
  position: absolute;
}

.sb-closeIcon:before {
  left: 4px;
  top: 3px;

  transform: rotate(45deg);
  transform-origin: 0px 50%;
}

.sb-closeIcon:after {
  right: 3px;
  top: 5px;
  transform: rotate(-45deg);
  transform-origin: calc(100% - 3px) 50%;
}

.sb-title {
  font-size: 16px;
  font-weight: bold;
}

.sb-message {
  font-size: 14px;
  word-break: normal;
}

.sb-item {
  position: relative;
  transition: height 300ms ease;
  animation: fadein 1s;
  padding: 20px;
  color: white;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.2), 0 1px 18px 0 rgba(0, 0, 0, 0.12),
    0 3px 5px -1px rgba(0, 0, 0, 0.14);
}

.sb-item a {
  color: white;
  text-decoration: underline;
}

.sb-container .sb-hidden {
  padding-top: 0;
  padding-bottom: 0;
  margin-bottom: 0;
  height: 0;
  opacity: 0;
  transition: all 300ms ease;
}

.sb-item .sb-action,
.sb-error .sb-action,
.sb-warning .sb-action,
.sb-info .sb-action,
.sb-success .sb-action {
  margin-top: 10px;
  display: inline-block;
  padding: 6px 12px;
  margin-bottom: 0;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.42857143;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  background-image: none;
  border: none;
  color: white;
}

.sb-success,
.sb-success .sb-action {
  background-color: var(--snackbar-success);
}

.sb-error,
.sb-error .sb-action {
  background-color: var(--snackbar-error);
}

.sb-warning,
.sb-warning .sb-action {
  background-color: var(--snackbar-warning);
}

.sb-info,
.sb-info .sb-action {
  background-color: var(--snackbar-info);
}

@keyframes fadein {
  from {
    opacity: 0;
    top: 30px;
  }
  to {
    opacity: 1;
    top: 0;
  }
}

/* Internet Explorer */
@-ms-keyframes fadein {
  from {
    opacity: 0;
    top: 30px;
  }
  to {
    opacity: 1;
    top: 0;
  }
}