body {
  background-color: #3F3F3F;
}
input[type=text], select {
  width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

input[type=number], select {
  width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

textarea[type=text], select {
  width: 100%;
  padding: 12px 20px;
  margin: 8px 0;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

input[type=submit] {
  width: 100%;
  background-color: #5FAA70;
  color: white;
  padding: 14px 20px;
  margin: 8px 0;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;

}

input[type=submit]:hover {
  background-color: #45a049;
}

div {
  border-radius: 5px;
  background-color: #f2f2f2;
  padding: 100px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;


}

.div {
  border-radius: 5px;
  background-color: #5FAA70;
  padding: 20px;
  font-family: Arial, Helvetica, sans-serif;

}
.err {
  border-radius: 5px;
  background-color: red;
  padding: 20px;
  font-family: Arial, Helvetica, sans-serif;

}

.w {
  border-radius: 5px;
  background-color: #ddd;
  padding: 6px;
  font-family: Arial, Helvetica, sans-serif;
  max-width: 1200px;
  margin: auto;

}

.zaman {
  border-radius: 5px;
  background-color: #D2D9E7;
  padding: 10px;
  width: 200px;
  font-family: Arial, Helvetica, sans-serif;

}


#customers {
  font-family: Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

#customers td, #customers th {
  border: 1px solid #ddd;
  padding: 4px;
}

#customers tr:nth-child(even){background-color: #f2f2f2;}

#customers tr:hover {background-color: #ddd;}

#customers th {
  padding-top: 4px;
  padding-bottom: 4px;
  text-align: left;
  background-color: #04AA6D;
  color: white;
}