body {
  font-family: 'Ubuntu', Arial, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 10px;
  background-color: #2b2b2b;
  color: #000000;
  line-height: 1.2;
}

.container {
  display: flex;
  flex-direction: column;
  background-color: ;
}

.fertilizers {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.fertilizer-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 5px;
  border: 1px solid rgb(112, 112, 112);
  border-radius: 10px;
  background-color: #6d5653;
}

.fertilizer-item:nth-child(2) {
  background-color: #446e4a;
}

.fertilizer-item:nth-child(3) {
  background-color: #f8ac9a;
}

.fertilizer-item:nth-child(4) {
  background-color: #3693a4;
}

.fertilizer-item:nth-child(5) {
  background-color: #b04241;
}

.fertilizer-item:nth-child(6) {
  background-color: #699442;
}

label {
  margin-top: 10px;
}

input,
label {
  margin-right: 10px;
}

.result {
  margin-left: 10px;
}

.hidden {
  display: none;
}

.slider-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.slider {
  width: 80%;
  margin-right: 10px;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background-color: #724caf;
  border-radius: 50%;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background-color: #4caf50;
  border-radius: 50%;
  cursor: pointer;
}

a {
  color: #0099ff;
  text-decoration: none;
}

button {
  align-self: center;
  text-decoration: none;
  color: #000000;
  text-shadow: #000000;
  padding: 1px 10px;
  border-radius: 10px;
}

.navbar {
  display: flex;
  justify-content: space-around;
  align-items: center;

  padding: 1px;
}

.nav-button {
  background-color: rgb(32, 32, 32);
  color: #e0e0e0;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 1px 1px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  position: relative;
}

.nav-button:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  border-radius: 10px;
  background-color: #ffffff38;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-button:hover:after {
  transform: scaleX(1);
}

.nav-button:hover {
  background-color: #333333;
}

.nav-button a {
  color: #8f8f8f;
}

.content-container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

h1, h2, h3, h4, h5, h6 {
  color: #000000;
  background-color: #858585;
  border-radius: 10px;
}

ul {
  list-style-type:none;
}

.chart-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 400px;
}