.container, .inner, .bridge, .rim, .shadow {
  position: absolute;
}

body {
  background: #FEF0D7;
}

.container {
  margin: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 450px;
  height: 200px;
}

.inner {
  width: 150px;
  height: 150px;
  background: #C5DFEA;
  border-radius: 100%;
  border: 10px solid #549F93;
}
.inner:before, .inner:after {
  position: absolute;
  content: '';
}
.inner:before {
  width: 20px;
  height: 20px;
  border-radius: 100%;
  background: #FFF;
  opacity: 0.7;
  top: 20px;
  left: 60px;
}
.inner:after {
  width: 30px;
  height: 30px;
  border-radius: 100%;
  background: #FFF;
  opacity: 0.7;
  top: 30px;
  left: 30px;
}

.inner.right {
  left: 250px;
}

.shadow {
  top: 35px;
  left: 13px;
  width: 150px;
  height: 75px;
  border-bottom: 35px solid rgba(0, 0, 0, 0.2);
  border-radius: 0 0 100px 100px;
  transform: rotate(-40deg);
}

.bridge {
  z-index: -1;
  width: 330px;
  height: 100px;
  left: 50px;
  border-radius: 100%;
  border-top: 60px solid #549F93;
}
.bridge:before {
  position: absolute;
  content: '';
  width: 50px;
  height: 50px;
  background: #549F93;
  border: 5px solid #458379;
  border-radius: 100%;
  top: -72px;
  left: 130px;
}

.rim {
  z-index: -1;
  width: 70px;
  height: 130px;
  background: #458379;
  border-radius: 0 100px 100px 100px;
  left: 90px;
  top: -25px;
  transform: rotate(-45deg);
}

.rim.right {
  left: 260px;
  border-radius: 100px 0 100px 100px;
  transform: rotate(45deg);
}

@media (max-width: 800px) {
  .container {
    transform: scale(0.7);
  }
}