body {
  background-color: #FFFFFF;
}

section {
  max-width: 600px;
  margin: 0 auto;
}

section img {
  width: 100%;
}

#img2, #img5, #img7 {
  position: relative;
}
.cta_btn {
  position: absolute;
  bottom: 32%;
  left: 0;
  width: 100%;
  padding: 0 8%;
  transition: transform 0.3s ease;
  display: block;
}

#img5 .cta_btn {
  bottom: 14%;
}

#img7 .cta_btn {
  bottom: 11%;
}


.cta_btn img {
  width: 100%;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.cta_btn:hover {
  transform: translateY(-3px);
}

.cta_btn:hover img {
  transform: scale(1.05);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

#fix_footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  max-width: 600px;
  margin: 0 auto;
  right: 0;
}

.cta_btn_fixed {
  position: relative;
  bottom: auto;
  padding: 10px 8%;
  background-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.cta_btn_fixed:hover {
  transform: none;
}