.radar {
    position: relative;
    margin: auto;
    border: 3px solid #0c0;
    background-color: #020;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    overflow: hidden;
    width: 320px;
    height: 320px;
  
    -webkit-mask-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAA5JREFUeNpiYGBgAAgwAAAEAAGbA+oJAAAAAElFTkSuQmCC);
    }

.radar > * {
    position: absolute;
    }

.indicator {
    left: 50%;
    top: 50%;
    border-style: solid;
    border-width: 8px 160px 8px 0;
    border-color: transparent;
    margin-top: -8px;
    -moz-transform-origin: 0 50%;
    -ms-transform-origin: 0 50%;
    -o-transform-origin: 0 50%;
    -webkit-transform-origin: 0 50%;
    transform-origin: 0 50%;   
    }

#indicator {
    border-right-color: #0c0;
    animation: spin 15s 0s linear infinite;
    }

.circle {
    left: 50%;
    top: 50%;
    border: 1px solid #0c0;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    }

#circle-big {
    width: 75%;
    height: 75%;
    margin: -38%;
    }

#circle-medium {
    width: 50%;
    height: 50%;
    margin: -25%;
    }

#circle-small {
    width: 25%;
    height: 25%;
    margin: -13%;
    }

#dot {
    width: 1%;
    height: 1%;
    margin: -0.5%;
    background-color: #0c0;
    }

#axis-y {
    left: 50%;
    top: 0;
    bottom: 0;
    border-left: 1px solid #0c0;
    }

#axis-x {
    top: 50%;
    left: 0;
    right: 0;
    border-top: 1px solid #0c0;
    }

.point {
    position: absolute;
    -moz-border-radius: 10px;
    -webkit-border-radius: 10px;
    border-radius: 10px;
    width: 4px;
    height: 4px;
    margin-top: -2px;
    margin-left: -2px;
    -moz-box-shadow: 0 0 10px 5px rgba(100, 255, 0, 0.5);
    -webkit-box-shadow: 0 0 10px 5px rgba(100, 255, 0, 0.5);
    box-shadow: 0 0 10px 5px rgba(100, 255, 0, 0.5);
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=20)";
    filter: alpha(opacity=20);
    opacity: 0.4;
    background: red;
    }

@-webkit-keyframes spin {
from {
    -webkit-transform: rotate(0);
    transform: rotate(0);
    }
to {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
    }
}

@-moz-keyframes spin {
from {
    -moz-transform: rotate(0);
    transform: rotate(0);
    }
to {
    -moz-transform: rotate(360deg);
    transform: rotate(360deg);
    }
}
@keyframes spin {
    from {
        transform: rotate(0);
        } to {
        transform: rotate(360deg);
        }
    }