tu-view-plus/lib/src/alert/style/alert.css

.tu-alert {
  width: 100%;
  display: flex;
  position: relative;
  margin: 0;
  box-sizing: border-box;
  border-radius: var(--tu-border-radius, 2px);
  overflow: hidden;
  opacity: 1;
  align-items: center;
  color: var(--tu-color-text, #71757f);
  transition: opacity var(--tu-transition-duration-2, 0.2s);
  border: 1px solid transparent;
  line-height: 1;
}
.tu-alert__icon-type {
  display: flex;
  align-items: center;
  margin-right: 2px;
}

.tu-alert__content {
  display: table-cell;
  flex: 1;
  padding: 0 4px;
  line-height: 1;
}
.tu-alert__title {
  line-height: 1;
}

.tu-alert__description {
  font-size: var(--tu-font-size, 14px);
  margin-top: 12px;
}

.tu-alert__icon-close {
  cursor: pointer;
  font-size: var(--tu-font-size, 14px);
  opacity: 0.7;
  transition: opacity var(--tu-transition-duration-2, 0.2s);
}
.tu-alert__icon-close:hover {
  opacity: 1;
}

.tu-alert--outset {
  box-shadow: 3px 3px 6px var(--tu-color-shadow-dark, #babbc0), -2px -2px 5px var(--tu-color-shadow-light, #ffffff);
}

.tu-alert--inset {
  box-shadow: inset 2px 2px 5px var(--tu-color-shadow-dark, #babbc0), inset -2px -2px 5px var(--tu-color-shadow-light, #ffffff);
}

.tu-alert.is-with-description {
  align-items: flex-start;
}
.tu-alert.is-with-description .tu-alert__icon-type {
  margin-top: -0.1em;
}

.tu-alert.is-with-description .tu-alert__title {
  font-weight: var(--tu-font-title-weight, bold);
}

.tu-alert--success {
  background-color: var(--tu-color-success-light, #8be8cb);
  color: var(--tu-color-success-dark, #27b080);
  box-shadow: none;
}
.tu-alert--success.is-dark {
  background-color: var(--tu-color-success, #50d4ab);
  color: var(--tu-color-white, #ffffff);
}
.tu-alert--success.is-dark .tu-alert__icon-close {
  color: var(--tu-color-white, #ffffff);
}

.tu-alert--success.is-plain {
  color: var(--tu-color-success-dark, #27b080);
  background: none;
  border-color: var(--tu-color-success-dark, #27b080);
}
.tu-alert--success.is-plain::after {
  content: "";
  position: absolute;
  display: block;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: soft-light;
  background-color: var(--tu-color-success-dark, #27b080);
}

.tu-alert--info {
  background-color: var(--tu-color-info-light, #d1d1d1);
  color: var(--tu-color-info-dark, #707070);
  box-shadow: none;
}
.tu-alert--info.is-dark {
  background-color: var(--tu-color-info, #8a8a8a);
  color: var(--tu-color-white, #ffffff);
}
.tu-alert--info.is-dark .tu-alert__icon-close {
  color: var(--tu-color-white, #ffffff);
}

.tu-alert--info.is-plain {
  color: var(--tu-color-info-dark, #707070);
  background: none;
  border-color: var(--tu-color-info-dark, #707070);
}
.tu-alert--info.is-plain::after {
  content: "";
  position: absolute;
  display: block;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: soft-light;
  background-color: var(--tu-color-info-dark, #707070);
}

.tu-alert--warning {
  background-color: var(--tu-color-warning-light, #ffbf85);
  color: var(--tu-color-warning-dark, #cc6414);
  box-shadow: none;
}
.tu-alert--warning.is-dark {
  background-color: var(--tu-color-warning, #fa9841);
  color: var(--tu-color-white, #ffffff);
}
.tu-alert--warning.is-dark .tu-alert__icon-close {
  color: var(--tu-color-white, #ffffff);
}

.tu-alert--warning.is-plain {
  color: var(--tu-color-warning-dark, #cc6414);
  background: none;
  border-color: var(--tu-color-warning-dark, #cc6414);
}
.tu-alert--warning.is-plain::after {
  content: "";
  position: absolute;
  display: block;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: soft-light;
  background-color: var(--tu-color-warning-dark, #cc6414);
}

.tu-alert--error {
  background-color: var(--tu-color-danger-light, #ffa4a1);
  color: var(--tu-color-danger-dark, #c73636);
  box-shadow: none;
}
.tu-alert--error.is-dark {
  background-color: var(--tu-color-danger, #f66f6a);
  color: var(--tu-color-white, #ffffff);
}
.tu-alert--error.is-dark .tu-alert__icon-close {
  color: var(--tu-color-white, #ffffff);
}

.tu-alert--error.is-plain {
  color: var(--tu-color-danger-dark, #c73636);
  background: none;
  border-color: var(--tu-color-danger-dark, #c73636);
}
.tu-alert--error.is-plain::after {
  content: "";
  position: absolute;
  display: block;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: soft-light;
  background-color: var(--tu-color-danger-dark, #c73636);
}

.tu-alert--mini {
  padding: 4px 9px;
  font-size: var(--tu-font-size-mini, 10px);
}

.tu-alert--small {
  padding: 6px 9px;
  font-size: var(--tu-font-size-small, 12px);
}

.tu-alert--medium {
  padding: 9px 9px;
  font-size: var(--tu-font-size-medium, 14px);
}

.tu-alert--large {
  padding: 11px 9px;
  font-size: var(--tu-font-size-large, 14px);
}