AdminLTE/build/scss/plugins/_toastr.scss

/*
 * Plugin: Toastr
 * --------------
 */

// Background to FontAwesome Icons
// #toast-container > .toast {
//     background-image: none !important;
// }
// #toast-container > .toast .toast-message:before {
//     font-family: 'Font Awesome 5 Free';
//     font-size: 24px;
//     font-weight: 900;
//     line-height: 18px;
//     float: left;
//     color: #FFF;
//     padding-right: 0.5em;
//     margin: auto 0.5em auto -1.5em;
// }        
// #toast-container > .toast-warning .toast-message:before {
//     content: "\f06a";
// }
// #toast-container > .toast-error .toast-message:before {
//     content: "\f071";
// }
// #toast-container > .toast-info .toast-message:before {
//     content: "\f05a";
// }
// #toast-container > .toast-success .toast-message:before {
//     content: "\f058";
// }


// Background color
.toast {
  background-color: $primary;
}
.toast-success {
  background-color: $success;
}
.toast-error {
  background-color: $danger;
}
.toast-info {
  background-color: $info;
}
.toast-warning {
  background-color: $warning;
}