/* General page styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f9;
    color: #333;
}

/* Header customization */
header {
    background: #0073e6;
    color: white;
    padding: 20px;
    text-align: center;
}

header a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

/* Content layout padding */
main {
    max-width: 800px;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

nav {
    display: block;
}

.container {
  display: flex;             /* Places children side-by-side */
  justify-content: space-between; /* Adds space between columns */
  gap: 20px;                 /* Optional: gap between columns */
}

.column {
  flex: 1;                   /* Makes columns grow/shrink evenly */
  width: 33.33%;             /* Sets each column to one-third of the row */
  padding: 20px;
  box-sizing: border-box;    /* Includes padding in width calculations */
  border: 0px solid #ccc;    /* Optional: adds a visual border */
}