html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  background: rgb(228, 210, 187);
  background-image: url(/assets/images/introbackground.jpeg);
}

h1 {
  font-size: 100px;
  font-weight: 600;
  font-family: "Roboto", sans-serif;
  color: rgba(129, 230, 217, 1);
  text-transform: uppercase;
  text-shadow: 1px 1px 0px #cf6d18, 1px 2px 0px #cf6d18, 1px 3px 0px #cf6d18,
    1px 4px 0px #cf6d18, 1px 5px 0px #cf6d18, 1px 6px 0px #cf6d18,
    1px 10px 5px rgba(16, 16, 16, 0.5), 1px 15px 10px rgba(16, 16, 16, 0.4),
    1px 20px 30px rgba(16, 16, 16, 0.3), 1px 25px 50px rgba(16, 16, 16, 0.2);
}

h3 {
  font-family:Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 15px;
  font-weight: normal;
  padding-top: 220px;
}
 p {
  font-family:Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 15px;
}
 
.wrapper {
  display: flex;
  margin: 15px;
}

.row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  width: 100%;
}

.column {
  display: flex;
  flex-direction: column;
  flex-basis: 100%;
  flex: 1;
}
canvas {
  border: none;
  margin: 0 auto;
  display: block;
}

.hitchcockBack {
  height: 700px;
  width: 600px;
  /* los siguientes valores son independientes del tamaño del círculo */
  background-repeat: no-repeat;
  background-position: 50%;
  border-radius: 50%;
}

#start-btn {
  min-width: 300px;
  min-height: 60px;
  font-family: "Nunito", sans-serif;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 1.3px;
  font-weight: 700;
  color: #313133;
  background: #4fd1c5;
  background: linear-gradient(
    90deg,
    rgba(129, 230, 217, 1) 0%,
    rgba(79, 209, 197, 1) 100%
  );
  border: none;
  border-radius: 1000px;
  box-shadow: 12px 12px 24px rgba(79, 209, 197, 0.64);
  transition: all 0.3s ease-in-out 0s;
  cursor: pointer;
  outline: none;
  position: relative;
  padding: 10px;
  margin-top: 100px;
}

button::before {
  content: "";
  border-radius: 1000px;
  min-width: calc(300px + 12px);
  min-height: calc(60px + 12px);
  border: 6px solid #00ffcb;
  box-shadow: 0 0 60px rgba(0, 255, 203, 0.64);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: all 0.3s ease-in-out 0s;
}

.button:hover,
.button:focus {
  color: #313133;
  transform: translateY(-6px);
}

button:hover::before,
button:focus::before {
  opacity: 1;
}

button::after {
  content: "";
  width: 30px;
  height: 30px;
  border-radius: 100%;
  border: 6px solid #00ffcb;
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: ring 1.5s infinite;
}

button:hover::after,
button:focus::after {
  animation: none;
  display: none;
}

@keyframes ring {
  0% {
    width: 30px;
    height: 30px;
    opacity: 1;
  }
  100% {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}