body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 20px;
}

a, a:visited, a:hover, a:active {
    color: #007BFF;
    text-decoration: none;
}

h1, h3 {
    text-align: center;
}

/* Retro eKool-style red button with subtle hover and slight shadow */
.next {
  position: relative;
  display: inline-block;
  background-color: #e53935; /* red base */
  color: #ffffff; /* white text */
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  font-size: 14px;
  text-decoration: none;
  padding: 8px 22px;
  border: 1px solid #000000; /* thin black outline */
  border-radius: 4px;
  cursor: pointer;
  line-height: 1.3;
  color: white;

  /* very subtle shadow under button */
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  transition: all 0.1s ease;
}

/* Glossy top highlight */
.next::before {
  content: "";
  position: absolute;
  top: 0; left: 1px; right: 1px;
  height: 50%; /* top half glossy */
  border-radius: 4px 4px 0 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.25), rgba(255,255,255,0));
  pointer-events: none;
  transition: all 0.1s ease;
}

/* Inset shadow for pressed effect */
.next::after {
  content: "";
  position: absolute;
  top: 1px; left: 1px; right: 1px; bottom: 1px;
  border-radius: 3px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.25); /* subtle inner shadow */
  pointer-events: none;
  transition: all 0.1s ease;
}

/* Hover — very subtle brightening and slight lift */
.next:hover {
  background-color: #eb3c3c; /* slightly brighter red */
  box-shadow: 0 2px 3px rgba(0,0,0,0.15); /* slightly more lift */
}

/* Active / pressed — inner shadow grows, button stays in place */
.next:active::after {
  box-shadow: inset 0 2px 3px rgba(0,0,0,0.35);
}

/* Remove weird browser focus outline */
.next:focus {
  outline: none;
}

/* Retro eKool-style green button with black text */
.upload {
  position: relative;
  display: inline-block;
  background-color: #4caf50; /* green base */
  color: #000000; /* black text */
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  font-size: 14px;
  text-decoration: none;
  padding: 8px 22px;
  border: 1px solid #000000; /* thin black outline */
  border-radius: 4px;
  cursor: pointer;
  line-height: 1.3;

  /* subtle shadow under button */
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  transition: all 0.1s ease;
}

/* Glossy top highlight */
.upload::before {
  content: "";
  position: absolute;
  top: 0; left: 1px; right: 1px;
  height: 50%; /* top half glossy */
  border-radius: 4px 4px 0 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.25), rgba(255,255,255,0));
  pointer-events: none;
  transition: all 0.1s ease;
}

/* Inset shadow for pressed effect */
.upload::after {
  content: "";
  position: absolute;
  top: 1px; left: 1px; right: 1px; bottom: 1px;
  border-radius: 3px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.25); /* subtle inner shadow */
  pointer-events: none;
  transition: all 0.1s ease;
}

/* Hover — very subtle brightening and lift */
.upload:hover {
  background-color: #5cb85c; /* slightly brighter green */
  box-shadow: 0 2px 3px rgba(0,0,0,0.15); /* slight lift */
}

/* Active / pressed — inner shadow grows */
.upload:active::after {
  box-shadow: inset 0 2px 3px rgba(0,0,0,0.35);
}

/* Remove browser focus outline */
.upload:focus {
  outline: none;
}