* {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
}

body {
  background: black;
  height: 100vh;
}

.header {
  background: hsl(120, 97%, 30%);
  padding: 10px 5px;
}

.obj-width{
    width: 100%;
    max-width: 800px;
    margin: auto;
}

header .obj-width {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header button {
  background: transparent;
  color: hsl(60, 100%, 30%);
  background-color: hsl(0, 100%, 30%);
  border: none;
  border-radius: 5px;
  padding: 10px 25px;
  font-size: 1.5rem;
  transition: background-color 0.2s ease;
}

.header button:hover {
  background-color: hsl(0, 100%, 35%);
}

.header button:active {
  background-color: hsl(0, 100%, 40%);
}

main {
  margin: 10% auto;
  width: fit-content;
  background: green;
  color: lime;
  text-align: center;
}

section {
  width: fit-content;
  padding: 10px;
}

section {
  margin: auto;
  text-align: center;
  color: black;
}

textarea {
  background: black;
  color: red;
  border: 2px solid rgb(63, 248, 63);
  width: 300px;
  resize: none;
}

input[type="number"] {
  width: 50px;
  outline: none;
  cursor: pointer;
  background-color: rgb(35, 230, 35);
  border: 1px solid black;
  color: black;
}

input,
select {
  outline: none;
}

select {
  background-color: rgb(35, 230, 35);
  border: 1px solid black;
}

#btn {
  /* text-align: center; */
  background: red;
  color: orange;
  padding: 5px 15px;
}

.label {
  text-align: left;
  font-size: 20px;
}