[TIL] 모달창 띄울 시 배경 (css)

.sign_modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 100;
  border-radius: 10px;
}

.sign_container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50%;
  height: 50%;
  translate: (-50%, -50%);
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 20px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.sign_form {
  padding: 50px;
  display: flex;
  flex-direction: column;
}

header // body 보다 z-index를 주면된다. 더 높게