@import url("https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Roboto:wght@400;500;700&display=swap");

.highlight {
  border-radius: 15px;
  z-index: -1;
  position: relative;
}

.birthday-text {
  font-family: Roboto;
  color: #3a3a3a;
  font-weight: 500;
  font-size: 1.5em;
  margin-top: -10px;
}

body,
html {
  /* margin: 0; */
  padding: 0;
  height: 100%;
  overflow: hidden;
}

iframe {
  z-index: 9999;
}

#content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0px;
}

body {
  margin: 10px;
  background: hsl(70, 31%, 85%);
  text-align: center;
}

.balloon {
  content: "M";
  font-size: 200px;
  text-align: center;

  display: inline-block;
  width: 120px;
  height: 145px;
  background: hsl(215, 50%, 65%);
  border-radius: 80%;
  position: relative;
  box-shadow: inset -10px -10px 0 rgba(0, 0, 0, 0.07);
  margin: 20px 30px;
  transition: transform 0.5s ease;
  z-index: 10;
  animation: balloons 4s ease-in-out infinite;
  transform-origin: bottom center;
}

@keyframes balloons {
  0%,
  100% {
    transform: translateY(0) rotate(-4deg);
  }
  50% {
    transform: translateY(-25px) rotate(4deg);
  }
}

.balloon:before {
  content: "▲";
  font-size: 20px;
  color: hsl(215, 30%, 50%);
  display: block;
  text-align: center;
  width: 100%;
  position: absolute;
  bottom: -12px;
  z-index: -100;
}

.balloon:after {
  display: inline-block;
  top: 153px;
  position: absolute;
  height: 100px;
  width: 1px;
  margin: 0 auto;
  content: "";
  background: rgba(0, 0, 0, 0.2);
}

.balloon:nth-child(2) {
  background: hsl(245, 40%, 65%);
  animation-duration: 3.5s;
}
.balloon:nth-child(2):before {
  color: hsl(245, 40%, 65%);
}

.balloon:nth-child(3) {
  background: hsl(139, 50%, 60%);
  animation-duration: 3s;
}
.balloon:nth-child(3):before {
  color: hsl(139, 30%, 50%);
}

.balloon:nth-child(4) {
  background: hsl(59, 50%, 58%);
  animation-duration: 4.5s;
}
.balloon:nth-child(4):before {
  color: hsl(59, 30%, 52%);
}

.balloon:nth-child(5) {
  background: hsl(23, 55%, 57%);
  animation-duration: 5s;
}
.balloon:nth-child(5):before {
  color: hsl(23, 44%, 46%);
}