body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 20px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

h1, h2 {
  text-align: center;
}

p {
  font-size: 18px;
  max-width: 800px;
  margin: 10px auto;
}

img {
  display: block;
  margin: 20px auto;
  border: 6px solid #1da039;
}

a {
  display: inline-block;
  margin: 8px;
  padding: 8px 12px;
  text-decoration: none;
  border: 4px solid #007714;
  background-color: #d5ffc5;
}

a:hover {
  background-color: #6ff88d;
}

section {
  margin-bottom: 30px;
}
.text-box {
  background-color: #8ca881;
  padding: 20px;
  margin: 10px auto;
  max-width: 800px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(39, 136, 81, 0.274);
}
nav {
  text-align: center;
  margin: 20px auto;
}

header {
  text-align: center;
}

footer {
  text-align: center;
  margin-top: 30px;
  font-size: 14px;
  color: #555;
}

figure {
  text-align: center;
}

img {
  max-width: 90%;
  height: auto;
}

.text-box {
  line-height: 1.6;
}

@media screen and (max-width: 700px) {
  body {
    margin: 10px;
  }

  p {
    font-size: 16px;
  }

  a {
    display: block;
    margin: 8px auto;
    max-width: 250px;
  }
}
.image-feature {
  max-width: 1800px;
  margin: 30px auto;
  padding: 20px;
  background: linear-gradient(135deg, #eef4ff, #ffffff);
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  text-align: center;
}

.image-feature img {
  width: 100%;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.button-link {
  display: inline-block;
  padding: 12px 18px;
  background: #6ff88d;
  color: rgb(16, 139, 72);
  text-decoration: none;
  border-radius: 8px;
  margin: 10px;
}

.button-link:hover {
  background: #4eb16f;
}
.hobby-gallery {
  display: -ms-flexbox;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 30px auto;
}

.hobby-gallery figure {
  width: 500px;
  padding: 8px;
  background: rgb(105, 145, 113);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  text-align: center;
  justify-content: center;
}

.hobby-gallery img {
  width: 100%;
  border-radius: 20px;

}

/* mobile allowing thing */
* {
  box-sizing: border-box;
}

body {
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

.hobby-gallery {
  display: flex;
}

.hobby-gallery figure {
  max-width: 100%;
}

/* Mobile */
@media screen and (max-width: 700px) {
  body {
    margin: 10px;
    max-width: 100%;
  }

  nav a,
  .button-link {
    display: block;
    width: 90%;
    max-width: 280px;
    margin: 8px auto;
    text-align: center;
  }

  .text-box,
  .image-feature {
    width: 100%;
    padding: 15px;
  }

  .hobby-gallery {
    flex-direction: column;
    align-items: center;
  }

  .hobby-gallery figure {
    width: 100%;
  }
}

/* Tablet */
@media screen and (min-width: 701px) and (max-width: 1023px) {
  nav a {
    display: inline-block;
  }

  .hobby-gallery figure {
    width: 45%;
  }
}

/* Desktop */
@media screen and (min-width: 1024px) {
  .hobby-gallery figure {
    width: 30%;
  }
}
table {
  width: 90%;
  margin: 20px auto;
  border-collapse: collapse;
  background-color: #d5ffc5;
}

th, td {
  border: 4px solid #007714;
  padding: 12px;
  text-align: center;
}

th {
  background-color: #8ca881;
  color: white;
}

tr:nth-child(even) {
  background-color: #f0ffe8;
}

.current-day {
  background-color: #6ff88d;
  font-weight: bold;
}

.grid-page {
  width: 90%;
  margin: 20px auto;
}