* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.container {
  width: 400px;
  /* height: 400px; */
  margin: 100px auto;
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 10px;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  -o-border-radius: 10px;
}

.container .refresh {
  width: 100%;
  height: 22px;
  color: aqua;
  cursor: pointer;
  user-select: none;
  text-align: center;
  font-size: 22px;
}
.img-container {
  width: 100%;
  margin-top: 10px;
}

.title {
  width: 100%;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 18px;
  margin-bottom: 10px;
}

.img-box {
  width: 100%;
  height: 300px;
  position: relative;
  background-image: url("./img1.png");
  background-repeat: no-repeat;
  background-size: 100% 300px;
  border: 1px solid #ccc;
  box-shadow: 0 0 5px #ccc;
}

.block {
  width: 40px;
  height: 40px;
  position: absolute;
  z-index: 99;
  /* 亮边框 */
  border: 2px solid #fff;
}

.empty {
  width: 40px;
  height: 40px;
  position: absolute;
  background-color: #fff;
  box-shadow: 0 0 2px #000000;
}

.slider {
  position: relative;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  height: 20px;
  border-radius: 8px;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  -ms-border-radius: 8px;
  -o-border-radius: 8px;
  margin-top: 5px;
}

.slider-btn {
  position: absolute;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: #812f2f;
  /* 鼠标滑动样式 */
  cursor: grabbing;
}

.slider-text {
  background-color: #ccc;
  flex: 1;
  text-align: center;
  user-select: none;
}