.alert { margin-bottom: 20px; border: 1px solid transparent; border-radius: 4px; }
.alert h4 { margin-top: 0; color: inherit; }
.alert .alert-link { font-weight: bold; }
.alert > p,
.alert > ul { margin-bottom: 0; }
.alert > p + p { margin-top: 5px; }
.alert-dismissable,
.alert-dismissible { padding-right: 35px; }
.alert-dismissable .close,
.alert-dismissible .close { position: relative; top: -2px; right: -21px; color: inherit; }
.alert-success { color: #3c763d; background-color: #dff0d8; border-color: #d6e9c6; }
.alert-success hr { border-top-color: #c9e2b3; }
.alert-success .alert-link { color: #2b542c; }
.alert-info { color: #31708f; background-color: #d9edf7; border-color: #bce8f1; }
.alert-info hr { border-top-color: #a6e1ec; }
.alert-info .alert-link { color: #245269; }
.alert-warning { color: #8a6d3b; background-color: #fcf8e3; border-color: #faebcc; }
.alert-warning hr { border-top-color: #f7e1b5; }
.alert-warning .alert-link { color: #66512c; }
.alert-danger { color: #a94442; background-color: #f2dede; border-color: #ebccd1; }
.alert-danger hr { border-top-color: #e4b9c0; }
.alert-danger .alert-link { color: #843534; }

.alert { padding: 10px; margin: 5px; }
.alert-dismissable .close, .alert-dismissible .close { top: -2px; right: -5px; }
.alert-loading { border: 1px solid #ddd; background: url(waiting.gif) #fff no-repeat 10px;text-indent:20px; }

.tip_close { font-size: 21px;color: #333; filter: alpha(opacity=20); opacity: .2; -webkit-appearance: none; padding: 0 5px; cursor: pointer; background: transparent; border: 0; position:absolute; right:5px; top:7px; font-weight:bold; }
.tip_close:hover{ color:#000;}