.submit {
  padding:5px 15px;
  background:#6addce;
  border:0 none;
  cursor:pointer;
  -webkit-border-radius: 5px !important;
  border-radius: 5px;
  border-color:#333;
}

.padding4submit {
  padding-bottom: 10px;
}

table {
  text-align: center !important;
}

img.center{
  width: 100px;
  display: block;
  margin: 0 auto;
}

.center {
  display: block !important;
  margin: 0 auto !important;
}

.top-bar .button { margin-bottom:0; padding: 0.85em 1em; display:inline-block; margin-right:0.25em; }
#add_teacher_form label { line-height:1.5; font-size:100%; }
#add_teacher_form select[readonly] { background-color: #e6e6e6; cursor: not-allowed; }