@import "https://netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css";

a {
  font-size: 14px;
  text-decoration: none;
  outline: 0;
}

.circle,
.ring {
  height: 180px;
  position: relative;
  width: 180px;
}

.circle {
  margin: 0 auto;
}

.ring {
  background-color: rgba(0,0,0,0.5);    /* 255,255,255 >>  255, 0, 0 */
  border-radius: 50%;
  opacity: 1;

  -webkit-transform-origin: 50% 50%;
  -moz-transform-origin: 50% 50%;
  transform-origin: 50% 50%;

  -webkit-transform: scale(0.1) rotate(-270deg);
  -moz-transform: scale(0.1) rotate(-270deg);
  -transform: scale(0.1) rotate(-270deg);

  -webkit-transition: all 0.4s ease-out;
  -moz-transition: all 0.4s ease-out;
  transition: all 0.4s ease-out;
}

.open .ring {
  opacity: 0.5;
  
  -webkit-transform: scale(1) rotate(0);
  -moz-transform: scale(1) rotate(0);
  transform: scale(1) rotate(0);
}

.center {
  background-color: rgba(255, 255, 0,0.3);  /* 255,255,255 >>  255, 0, 0 */
  border-radius: 50%;
  border: 2px solid #ffffff;
  color: blue;
  width: 40px; height: 40px;
  top: 0;right: 0;bottom: 0;left: 0;
  line-height: 80px;
  margin: auto;
  position: absolute;
  text-align: center;
  


  -webkit-transition: all 0.4s ease-out;
  -moz-transition: all 0.4s ease-out;
  transition: all 0.4s ease-out;
}

.open .center {
  border-color: #ff3300;    /* aaaaaa  >>  ffff00  */ 
}

.menuItem {
  border-radius: 50%;
  color: #eeeeee;
  display: block;
  width: 30px; height: 30px;
  line-height: 30px;
  margin-left: -10px;   /* + > 오른쪽 이동  */ 
  margin-top: -10px;
  position: absolute;
  text-align: center;
  
}