textarea {
  display: block;
  width: 100%;
}

form .label {
  float: left;
  width: 200px;
}

.admin_navi {
  display: block;
  width: 100%;
  border-bottom: 1px solid #000;
  overflow: overlay;
}

.admin_navi li {
  display: block;
  float: left;
  margin: 0 10px;
}


.hover {
  border: 1px solid white;
}

.hover:hover {
  border: 1px solid black;
}