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

body {
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

nav {
  background-color: rgb(180, 31, 31);
  color: white;
}

.nav-list {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  margin: 0;
}

.nav-list > select {
  width: 40%;
  height: 40px;
  border-radius: 20px;

  background-color: #fff;
  color: #2b0705;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
}

.nav-list > button {
  background-color: #fff;
  color: #2b0705;
  border: none;
  border-radius: 20px;
  padding: 10px 20px;
  cursor: pointer;
  transform: scale(0.95);
  font-size: 20px;

  transition: all 0.3s;
}

.nav-list > button:hover {
  background-color: #f1f1f1;
}

.nav-list > button:active {
  transform: scale(0.85);
}

.main-image {
  display: none;
  max-width: 100%;
  max-height: 100%;
}

.loading-dog {
  animation: spin 1s infinite linear;
  font-size: 50px;
  display: none;
}

@keyframes spin {
  to {
    transform: rotateZ(360deg);
  }
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80vh;
  overflow: hidden;
}

.show {
  display: block;
}