.field {
    position: relative;
    top: 0;
    left:0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 800px;
    height: 600px;
    border: solid 1px;
    background-color: #FCE4D6;
}
.target {
    position: relative;
    margin: 20px;
    /* left: 0px; */
    width: 80px;
    height: 80px;
    border-radius: 50%;
    /* background-color: blue; */
    background-image: url(../img/s-Earth.jpg);
}
.control {
    position: absolute;
    top: 110%;
    left: 50%;
    width: 30%;
    height: 30%;

}