radar.css

body {
    padding: 0;
    margin: 0;
    background-image: url("http://wallpaper-gallery.net/images/hd-digital-wallpaper/hd-digital-wallpaper-17.jpg");
    background-repeat: no-repeat;
    background-size: auto;
    background-position-y: -120px;
    background-color: #262626;
}
#container{
    width: 500px;
    height:500px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -250px;
    margin-top: -250px;
}
#out {
    width: 400px;
    height: 400px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    border: 10px solid #3cf92f;
    border-radius: 50%;
    box-shadow: 0px 0px 25px 20px #000;
    background: none;
    animation: a .3s screen infinite;
}
#in {
    width: 300px;
    height: 300px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    border: 5px solid #3cf92f;
    border-radius: 50%;
    box-shadow: 0px 0px 25px 20px #000;
}
#radar {
    width: 350px;
    height: 0px;
    background: #3ed50f;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: 0;
    margin-left: -175px;
    animation: ani 3s infinite;
    box-shadow: 20px 0px 15px 10px #3cf92f;
    z-index: -1;
}
@keyframes ani{
    0% {
        transform: rotate(0deg);
    }
    10% {
        opacity: .2
    }
    20% {
        opacity: .8
    }
    30% {
        opacity: .2
    }
    40% {
        opacity: .8
    }
    50% {
        opacity: .2
    }
    60% {
        opacity: .8
    }
    70% {
        opacity: .2
    }
    80% {
        opacity: .8
    }
    30% {
        opacity: .2
    }
    100% {
        transform: rotate(360deg);
        opacity: 1;
    }
}
@keyframes a {
    0% {
        background: none;
    }
    100% {
        background: #094d00;
    }
}
#coordinate {
    color: #ccc;
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    font-family: Consolas;
    font-size: 30px;
    padding: 5px;
    border: 10px solid #094d00;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.85);
    box-shadow: 0px 0px 50px #000;
}