* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  height: 100%;
  width: 100%;
  font-family: sans-serif;
  background-color: #f9f9f9;
  color: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

img {
    max-width: 25%;
    height: auto;
}

.container {
  width: 100%;	
  text-align: center;
  padding: 20px;
}

.responsive-image {
  width: 90vw;
  height: auto;
  object-fit: contain;
  transition: filter 0.3s ease;
}

/* Dark mode styles */
body.dark {
  background-color: #121212;
  color: #fff;
}

/* Toggle switch */
.toggle-wrapper {
  position: absolute;
  top: 20px;
  right: 20px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0;
  right: 0; bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:checked + .slider:before {
  transform: translateX(26px);
}