@import url('https://fonts.googleapis.com/css2?family=Zeyada&display=swap');
body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: 1000px;
  background-image: url("https://www.psdgraphics.com/wp-content/uploads/2022/01/white-math-paper-texture.jpg");
  background-position: center center;
}
.paper {
  background-image: url("https://i0.wp.com/textures.world/wp-content/uploads/2018/10/2-Millimeter-Paper-Background-copy.jpg?ssl=1");
  background-size: 500px;
  background-position: center center;
  padding: 20px 70px;
  min-width: 800px;
  transform: rotateZ(-5deg);
  box-shadow: 1px 15px 20px 0px rgba(0,0,0,0.5);
  position: absolute;
}
.paper.heart {
  position: relative;
  width: 200px;
  height: 200px;
  padding: 0;
  border-radius: 50%;
}
.paper.image {
  padding: 60px;
}
.paper.image p {
  font-size: 30px;
}
img {
  max-height: 200px;
  width: 100%;
  user-select: none;
}
.paper.heart::after {
  content: "";
  background-image: url('https://cdn.pixabay.com/photo/2016/03/31/19/25/cartoon-1294994__340.png');
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-size: 150px;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0.6;
}
.paper.red {
/*   filter: hue-rotate(90deg); */
}
.paper:nth-of-type(3n) {
  background-position: left top;
}
.paper:nth-of-type(3n) {
/*   filter: hue-rotate(200deg); */
}
p {
  font-family: 'Zeyada';
  font-size: 50px;
  color: rgb(0,0,100);
  opacity: 0.75;
  user-select: none;
  /* filter: drop-shadow(2px 1.5px 1px rgba(0,0,105,0.9)); */
}

.buttons-container {
  display: flex;
  gap: 20px;
  margin-top: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 15%;
  font-size: 23px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  font-family: 'Zeyada', cursive;
}

.btn-oui {
  background-color: #4CAF50;
  color: white;
}

.btn-non {
  background-color: #f44336;
  color: white;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

.random-image {
  position: fixed;
  width: 100px;
  height: 100px;
  z-index: 9999;
  animation: fadeIn 0.5s ease-in;
  pointer-events: none;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

.paper.welcome {
  border: 3px solid #dc143c;
  border-radius: 15px;
  box-shadow: 
    1px 15px 20px 0px rgba(0,0,0,0.5),
    0 0 15px rgba(220, 20, 60, 0.3);
}