@salesforce-ux/design-system/css/textarea/base/index.css

Salesforce Lightning Design System

/*! Lightning Design System 2.12.0 */
@charset "UTF-8";
.slds-textarea {
  background-color: white;
  border: 1px solid #dddbda;
  border-radius: 0.25rem;
  width: 100%;
  -webkit-transition: border 0.1s linear, background-color 0.1s linear;
  transition: border 0.1s linear, background-color 0.1s linear;
  -webkit-appearance: none;
  resize: vertical;
  padding: 0.5rem 0.75rem;
}
.slds-textarea:required {
  -webkit-box-shadow: none;
  box-shadow: none;
}
.slds-textarea:focus,
.slds-textarea:active {
  outline: 0;
  border-color: #1589ee;
  background-color: white;
  -webkit-box-shadow: 0 0 3px #0070d2;
  box-shadow: 0 0 3px #0070d2;
}
.slds-textarea[disabled],
.slds-textarea.slds-is-disabled {
  background-color: #ecebea;
  border-color: #c9c7c5;
  cursor: not-allowed;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.slds-textarea[disabled]:focus,
.slds-textarea[disabled]:active,
.slds-textarea.slds-is-disabled:focus,
.slds-textarea.slds-is-disabled:active {
  -webkit-box-shadow: none;
  box-shadow: none;
}

.slds-has-error .slds-textarea {
  background-color: white;
  border-color: #c23934;
  -webkit-box-shadow: #c23934 0 0 0 1px inset;
  box-shadow: #c23934 0 0 0 1px inset;
  background-clip: padding-box;
}
.slds-has-error .slds-textarea:focus,
.slds-has-error .slds-textarea:active {
  -webkit-box-shadow: #c23934 0 0 0 1px inset, 0 0 3px #0070d2;
  box-shadow: #c23934 0 0 0 1px inset, 0 0 3px #0070d2;
}