.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
  line-height: 0;
}
.clearfix:after {
  clear: both;
}
.hide-text {
  font-size: 0;
  line-height: 0;
  color: transparent;
  text-shadow: none;
  background-color: transparent;
  border: 0;
}
.input-block-level {
  display: block;
  width: 100%;
  min-height: 42px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.row-container {
  max-width: 1156px;
  margin-right: auto;
  margin-left: auto;
}
.row-container:before,
.row-container:after {
  display: table;
  content: "";
  line-height: 0;
}
.row-container:after {
  clear: both;
}


.signup_ref{
	font-weight:bold;font-size:15px;display:block;padding:5px;margin:5px;
}

.zhurchick select{
	width:90px;
}
.zhurchick option:disabled{
background: #E0E0E0;
}
.zhurchick .lesson_name {
	width:200px;
}
.zhurchick thead tr td {
	font-weight:bold;
	padding:10px 0 10px 0;
}
.zhurchick td {
	padding:0 15px 25px 0;
}

.zh_err{color:#c33;}