.gen_form input[type="text"], .gen_form input[type="password"], .gen_form select, .gen_form textarea {
  width: 500px;
  margin-top: 3px;
}

.gen_form fieldset {
  width: 500px;
  margin-top: 3px;
}

.gen_form fieldset input[type="password"] {
  width: 488px;
  margin-top: 3px;
}

.gen_form input[type="submit"] {
  margin-top: 15px;
}

.gen_form .date_field {
  width: 100px;
}

.uuids_list {
  width: 512px;
  margin-top: 25px;
  position: relative;
}

.box_select_filed {
  height: 120px;
  width: 508px; 
  overflow: visible;
  padding: 1px;
  border: 1px solid DarkSeaGreen;
  border-radius: 5px; 
}

.gen_form .select_field {
  height: 120px;
  width: 508px; 
  margin: 0px;
  -moz-appearance: auto;
  -webkit-appearance: auto;
  appearance: auto;
  background-image: none;
  background-repeat: repeat;
  background-position: 0% 0%;
  background-size: auto;  
  border: none;
}

.gen_form .select_field:focus {
  box-shadow: 0 0 12px 1px YellowGreen;
  outline: none;
}

.uuids_list .uuids_list_btns {
  width: 100%;
  text-align: right;
  display: inline-block;
}

.uuids_list label {
  width: 19%;
  display: inline-block; 
  position: absolute;
  bottom: 3px;
}

.uuids_list .std_button {
  margin-right: 0px;
  margin-left: 5px;
  margin-bottom: 7px;
}

#canvas {
 width: 512px;
}