#menu {
  width: 100%;
  position: fixed;
  background-color:LightSeaGreen;
  top: 0; left:0;
  font-family:century gothic;
}
#menu nav ul {
  margin:0; padding:0;
}
#menu nav ul li {
  list-style:none;
  display: inline-block;
  color: #fff;
  padding: 15px;
}
#menu nav ul li a {
  margin-left: 8px;
  color: #333;
  text-shadow: 0 1px 1px #fff;
  text-decoration: none;
}
#menu nav ul li:hover {
  color: #dfc;
  border-bottom:8px solid #fff;
  padding-bottom:7px;
}

html {
  height: 100%;
}
body {
  background-image: -webkit-radial-gradient(top,#808,#000);
  text-align:center;
}
#box {
  margin: 5% auto;
}

.drop {
  display: inline-block;
  position: relative;
  top:100px;
  font-size: 5em;
  text-shadow: 0 0 4px #000;
  color:#000;
  border:1px solid rgba(153,255,253,0.2);
  border-radius: 5%;
  padding: 12px;
  -webkit-transition: all 1s;
}

.drop:nth-child(1){
    color: #f20;
    -webkit-animation: rr 2s infinite alternate;
}

.drop:nth-child(2){
  color: #d2c;
  -webkit-animation: ii 2.2s infinite alternate;
}

.drop:nth-child(3){
  color: #ee0;
  -webkit-animation: cc 2.3s infinite alternate;
}

.drop:nth-child(4){
  color: #090;
  -webkit-animation: kk 2.4s infinite alternate;
}

.drop:nth-child(5){
  color: #d50;
  -webkit-animation: yy 2.5s infinite alternate;
}

@-webkit-keyframes rr {
  from{    top:100px;  -webkit-transform: rotate(0deg);}
  to {    top: 200px;  -webkit-transform: rotate(360deg);}
}


@-webkit-keyframes ii {
  from{    top:100px; -webkit-transform: rotate(0deg); }
  to {    top: 210px;  -webkit-transform: rotate(360deg);}
}

@-webkit-keyframes cc {
  from{    top:100px; -webkit-transform: rotate(0deg); }
  to {    top: 180px; -webkit-transform: rotate(360deg); }
}

@-webkit-keyframes cc {
  from{    top:100px; -webkit-transform: rotate(0deg); }
  to {    top: 240px; -webkit-transform: rotate(360deg); }
}

@-webkit-keyframes kk {
  from{    top:100px; -webkit-transform: rotate(0deg); }
  to {    top: 190px; -webkit-transform: rotate(360deg); }
}

@-webkit-keyframes yy {
  from{    top:100px; -webkit-transform: rotate(0deg); }
  to {    top: 200px; -webkit-transform: rotate(360deg); } 
}

.drop:hover {
  -webkit-animation-play-state: paused;
  cursor: move;
  text-shadow: 0 0 20px #fff;
  color:rgba(255,255,255,.5);
  background:rgba(255,255,255,.1);
}