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

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  text-align: center;
  max-width: 500px;
  width: 100%;
}

h1 {
  margin-bottom: 10px;
}

input[type="file"] {
  margin: 20px 0;
}

.options {
  margin: 20px 0;
}

button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background-color: #0056b3;
}

.result {
  margin-top: 20px;
}

#thumbnailOutput {
  max-width: 100%;
  border-radius: 10px;
  margin-top: 10px;
}



/* Loading Page */
.ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  background: transparent;
  border: 3px solid #3c3c3c;
  border-radius: 50%;
  text-align: center;
  line-height: 150px;
  font-family: sans-serif;
  font-size: 20px;
  color: #fff000;
  letter-spacing: 4px;
  text-transform: uppercase;
  text-shadow: 0 0 10px #fff000;
  box-shadow: 0 0 20px rgba(0, 0, 0, .5);
}

.ring:before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  width: 100%;
  height: 100%;
  border: 3px solid transparent;
  border-top: 3px solid #fff000;
  border-right: 3px solid #fff000;
  border-radius: 50%;
  animation: animateC 2s linear infinite;
}

.loading span {
  display: block;
  position: absolute;
  top: calc(50% - 2px);
  left: 50%;
  width: 50%;
  height: 4px;
  background: transparent;
  transform-origin: left;
  animation: animate 2s linear infinite;
}

.loading span:before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff000;
  top: -6px;
  right: -8px;
  box-shadow: 0 0 20px #fff000;
}

@keyframes animateC {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes animate {
  0% {
    transform: rotate(45deg);
  }

  100% {
    transform: rotate(405deg);
  }
}
.content {
  display: none;
  /* Hidden by default */
}