.dot_black {
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background-color: black;
  display: inline-block;
}
.dot_gray {
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background-color: gray;
  display: inline-block;
}
.cirlce {
  height: 100px;
  width: 100px;
  background-color: white;
  border-radius: 50%;
  margin: 10px;
  border: 1px solid black;
}
.cirlce_container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
}
.rectangle {
  height: 300px;
  width: 75px;
  border: solid 1px black;
  border-radius: 10px;
}
.deneme {
}
.container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
}
.circle_container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.circle_wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
}
#div1 {
  width: 350px;
  height: 70px;
  padding: 10px;
  border: 1px solid #aaaaaa;
}
#overlay {
  position: fixed; 
  display: none;
  width: 100%; 
  height: 100%; 
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5); 
  z-index: 2; 
  cursor: pointer; 
}
#text{
  position: absolute;
  top: 50%;
  left: 50%;
  font-size: 50px;
  color: white;
  transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
}