@import url(https://fonts.googleapis.com/css?family=Raleway:300,700);

html, body {
  width: 100%;
  height: 100%;
  background: #48A9E6;
  font-family: 'Raleway', sans-serif;
  font-weight: 300;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

#title {
  text-align: center;
  font-size: 40px;
  margin-top: 40px;
  margin-bottom: -40px;
  position: relative;
  color: #fff;
  z-index: 10;
}

.circles:after {
  content: '';
  display: inline-block;
  width: 100%;
  height: 100px;
  background: #fff;
  position: absolute;
  top: -50px;
  left: 0;
  transform: skewY(-4deg);
  -webkit-transform: skewY(-4deg);
}

.circles { 
  background: #fff;
  text-align: center;
  position: relative;
  margin-top: 100px;
  padding-bottom: 80px;
  box-shadow: inset -1px -4px 4px rgba(0,0,0,0.2);
}

.circles p {
  font-size: 240px;
  color: #fff;
  padding-top: 60px;
  position: relative;
  z-index: 9;
  line-height: 100%;
  margin: 0;
}

.circles p small { 
  font-size: 40px; 
  line-height: 100%; 
  vertical-align: top;   
}

/* Кнопка возврата на главную */
.btn-home {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: #48A9E6;
  background: #fff;
  padding: 12px 30px;
  margin-top: 30px;
  border-radius: 30px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

.btn-home:hover {
  background: #48A9E6;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* Анимированные круги */
.circles .circle.small {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: #48A9E6;
  position: absolute;
  z-index: 1;
  top: 80px;
  left: 50%;
  animation: 7s smallmove infinite cubic-bezier(1,.22,.71,.98);	
  -webkit-animation: 7s smallmove infinite cubic-bezier(1,.22,.71,.98);
  animation-delay: 1.2s;
  -webkit-animation-delay: 1.2s;
}

.circles .circle.med {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: #48A9E6;
  position: absolute;
  z-index: 1;
  top: 0;
  left: 10%;
  animation: 7s medmove infinite cubic-bezier(.32,.04,.15,.75);	
  -webkit-animation: 7s medmove infinite cubic-bezier(.32,.04,.15,.75);
  animation-delay: 0.4s;
  -webkit-animation-delay: 0.4s;
}

.circles .circle.big {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: #48A9E6;
  position: absolute;
  z-index: 1;
  top: 200px;
  right: 0;
  animation: 8s bigmove infinite;	
  -webkit-animation: 8s bigmove infinite;
  animation-delay: 1s;
  -webkit-animation-delay: 1s;
}

@-webkit-keyframes smallmove {
  0% { top: 10px; left: 45%; opacity: 1; }
  25% { top: 300px; left: 40%; opacity: 0.7; }
  50% { top: 240px; left: 55%; opacity: 0.4; }
  75% { top: 100px; left: 40%; opacity: 0.6; }
  100% { top: 10px; left: 45%; opacity: 1; }
}
@keyframes smallmove {
  0% { top: 10px; left: 45%; opacity: 1; }
  25% { top: 300px; left: 40%; opacity: 0.7; }
  50% { top: 240px; left: 55%; opacity: 0.4; }
  75% { top: 100px; left: 40%; opacity: 0.6; }
  100% { top: 10px; left: 45%; opacity: 1; }
}

@-webkit-keyframes medmove {
  0% { top: 0px; left: 20%; opacity: 1; }
  25% { top: 300px; left: 80%; opacity: 0.7; }
  50% { top: 240px; left: 55%; opacity: 0.4; }
  75% { top: 100px; left: 40%; opacity: 0.6; }
  100% { top: 0px; left: 20%; opacity: 1; }
}
@keyframes medmove {
  0% { top: 0px; left: 20%; opacity: 1; }
  25% { top: 300px; left: 80%; opacity: 0.7; }
  50% { top: 240px; left: 55%; opacity: 0.4; }
  75% { top: 100px; left: 40%; opacity: 0.6; }
  100% { top: 0px; left: 20%; opacity: 1; }
}

@-webkit-keyframes bigmove {
  0% { top: 0px; right: 4%; opacity: 0.5; }
  25% { top: 100px; right: 40%; opacity: 0.4; }
  50% { top: 240px; right: 45%; opacity: 0.8; }
  75% { top: 100px; right: 35%; opacity: 0.6; }
  100% { top: 0px; right: 4%; opacity: 0.5; }
}
@keyframes bigmove {
  0% { top: 0px; right: 4%; opacity: 0.5; }
  25% { top: 100px; right: 40%; opacity: 0.4; }
  50% { top: 240px; right: 45%; opacity: 0.8; }
  75% { top: 100px; right: 35%; opacity: 0.6; }
  100% { top: 0px; right: 4%; opacity: 0.5; }
}