* {
  margin: 0 auto;
  padding: 0 auto;
  overflow-x: hidden;
}

.section-start {
  display: flex;
  flex-direction: column;
  text-align: center;
  background-attachment: fixed;
  align-items: center;
  background-size: cover;
  background-image: url(imgs/fondo\ circus\ poster.png);
  background-position: center bottom;
  background-repeat: no-repeat;
}

.titles {
  margin: 60px;
  display: flex;
  flex-direction: column;
}

.section-start h1 {
  padding-left: 25px;
  padding-right: 25px;
  padding-bottom: 10px;
  padding-top: 10px;
  margin-bottom: -38px;
  border-radius: 25px;
  border: 10px dotted #FFD146;
  background: #C70039;
  font-family: inter;
  font-size: 35px;
  color: #FFD146;
}

.section-start h2 {
  padding: 2rem;
  text-align: center;
  color: #FFD146;
  font-size: 60px;
  text-shadow: 0 0 15px #4186C5, 0 0 25px #4186C5, 0 0 5px #ebedf0;
  padding: 10px;
}

.duck-start {
  margin-top: -70px;
  margin-bottom: 20px;
  max-width: 100%;
}

button {
  margin: 50px;
  cursor: pointer;
  border-radius: 20px;
  margin-top: 20px;
  border: none;
  width: 276px;
  height: 51px;
  background: #FFD146;
  box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
  color: #900C3F;
  font-size: 25px;
  font-style: normal;
  font-weight: 800;
  line-height: normal;
}

button:hover {
  transform: scale(1.1);
  transition: 0.5s ease-in-out;
  filter: brightness(1.50);
}

.star {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: yellow;
  border-radius: 50%;
  animation: twinkling 3s infinite;
  opacity: 0;
  box-shadow: 0 0 15px #4186C5, 0 0 25px #4186C5, 0 0 5px #ebedf0;
}

.star:nth-child(1) {
  top: 80%;
  left: 20%;
  animation-delay: 0s;
}

.star:nth-child(2) {
  top: 20%;
  left: 60%;
  animation-delay: 1s;
}

.star:nth-child(3) {
  top: 80%;
  left: 80%;
  animation-delay: 2s;
}

.star:nth-child(4) {
  top: 50%;
  left: 80%;
  animation-delay: 0.5s;
}

.star:nth-child(5) {
  top: 95%;
  left: 50%;
  animation-delay: 1s;
}

.star:nth-child(6) {
  top: 40%;
  left: 30%;
  animation-delay: 2s;
}


.star:nth-child(7) {
  top: 5%;
  left: 50%;
  animation-delay: 0.5s;
}


.star:nth-child(8) {
  top: 7%;
  left: 90%;
  animation-delay: 1s;
}


.star:nth-child(9) {
  top: 30%;
  left: 50%;
  animation-delay: 2s;
}

.star:nth-child(10) {
  top: 10%;
  left: 5%;
  animation-delay: 0.5s;
}


@keyframes twinkling {
  0% {
    opacity: 0;
    transform: scale(0);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }

  100% {
    opacity: 0;
    transform: scale(0);
  }
}