:root {
  --feed-duration: 2s;
}

body {
  direction: rtl;
  text-align: right;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 20px;
}

h1,
h2 {
  text-align: center;
}

#main {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
}

.rss {
  display: grid;
  /* 
    Minimum size is calculated by: 
    - Minimum width of item is 280px
    - But we don't want more than 4 columns
      > I use 100% / 4.5 because there are gaps and paddings
        So 100% / 4 will give 3 columns
    - Maximum size is 100% of the width
    So for "minimum column width" take max(<minimum width>, <1/4 width>)
    For maximum we take 1fraction, which is dynamic
  */
  grid-template-columns: repeat(auto-fit, minmax(
                            max(280px, 100%/4.5),
                            1fr));
  gap: 20px;
}

#main h2 {
  flex: 1 1 100%;
}

.rss-item {
  background-color: white;
  padding: 10px;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.rss-item h3 {
  margin: 0 0 5px 0;
  font-size: 1.2em;
}

.rss-item p {
  margin: 0;
  font-size: 0.9em;
}

/* Responsive design adjustments for small viewports */
@media (max-width: 1281px) {
  #main, .rss {
      gap: 8px;
  }

  #main h2 {
    margin: 6px 0 10px 0;
  }

  .rss-item h3 {
    font-size: 1em;
  }

  .rss-item p {
    font-size: 0.8em;
  }
}

@media (max-width: 500px) {
  #main, .rss {
      gap: 5px;
  }

  #main h2 {
    margin: 2px 0 2px 0;
  }

  .rss-item h3 {
    font-size: 0.9em;
  }

  .rss-item p {
    font-size: 0.7em;
  }
}