chore: 优化页面样式

assets/css/base.css

@@ -176,6 +176,7 @@ textarea {
   position: relative;
   background-color: #801a16;
   padding: 0 12px 0 0;
+  font-size: 16px;
   line-height: 45px;
   height: 45px;
 }

assets/css/bootstrap.css

@@ -1272,3 +1272,126 @@ pre code {
     margin-left: 0;
   }
 }
+
+.btn-group-vertical > .btn-group:after,
+.btn-group-vertical > .btn-group:before,
+.btn-toolbar:after,
+.btn-toolbar:before,
+.clearfix:after,
+.clearfix:before,
+.container-fluid:after,
+.container-fluid:before,
+.container:after,
+.container:before,
+.dl-horizontal dd:after,
+.dl-horizontal dd:before,
+.form-horizontal .form-group:after,
+.form-horizontal .form-group:before,
+.modal-footer:after,
+.modal-footer:before,
+.modal-header:after,
+.modal-header:before,
+.nav:after,
+.nav:before,
+.navbar-collapse:after,
+.navbar-collapse:before,
+.navbar-header:after,
+.navbar-header:before,
+.navbar:after,
+.navbar:before,
+.pager:after,
+.pager:before,
+.panel-body:after,
+.panel-body:before,
+.row:after,
+.row:before {
+  display: table;
+  content: ' ';
+}
+
+.btn-group-vertical > .btn-group:after,
+.btn-toolbar:after,
+.clearfix:after,
+.container-fluid:after,
+.container:after,
+.dl-horizontal dd:after,
+.form-horizontal .form-group:after,
+.modal-footer:after,
+.modal-header:after,
+.nav:after,
+.navbar-collapse:after,
+.navbar-header:after,
+.navbar:after,
+.pager:after,
+.panel-body:after,
+.row:after {
+  clear: both;
+}
+
+.center-block {
+  display: block;
+  margin-right: auto;
+  margin-left: auto;
+}
+
+.pull-right {
+  float: right !important;
+}
+
+.pull-left {
+  float: left !important;
+}
+
+.hide {
+  display: none !important;
+}
+
+.show {
+  display: block !important;
+}
+
+.invisible {
+  visibility: hidden;
+}
+
+.text-hide {
+  font: 0/0 a;
+  color: transparent;
+  text-shadow: none;
+  background-color: transparent;
+  border: 0;
+}
+
+.hidden {
+  display: none !important;
+}
+
+.affix {
+  position: fixed;
+}
+
+@-ms-viewport {
+  width: device-width;
+}
+
+.visible-lg,
+.visible-md,
+.visible-sm,
+.visible-xs {
+  display: none !important;
+}
+
+.visible-lg-block,
+.visible-lg-inline,
+.visible-lg-inline-block,
+.visible-md-block,
+.visible-md-inline,
+.visible-md-inline-block,
+.visible-sm-block,
+.visible-sm-inline,
+.visible-sm-inline-block,
+.visible-xs-block,
+.visible-xs-inline,
+.visible-xs-inline-block {
+  display: none !important;
+}