.slider {
  position: relative;
}

.slider .priv_arrow {
  position: absolute;
  bottom: -50px;
  left: 30%;
  color: white;
  width: 50px;
  height: 50px;
  background: #354052;
  border-radius: 50%;
  text-align: center;
  line-height: 50px;
  display: inline-block;
  cursor: pointer;
}

.slider .next_arrow {
  position: absolute;
  bottom: -50px;
  right: 30%;
  color: white;
  width: 50px;
  height: 50px;
  background: #354052;
  border-radius: 50%;
  text-align: center;
  line-height: 50px;
  display: inline-block;
  cursor: pointer;
}

.slider .priv_arrow_index {
  position: absolute;
  top: 0px;
  bottom: 0px;
  margin: auto;
  left: -30px;
  z-index: 100;
  color: white;
  width: 50px;
  height: 50px;
  background: #354052;
  border-radius: 50%;
  text-align: center;
  line-height: 50px;
  display: inline-block;
  cursor: pointer;
}

.slider .next_arrow_index {
  position: absolute;
  top: 0px;
  bottom: 0px;
  z-index: 100;
  margin: auto;
  right: -30px;
  color: white;
  width: 50px;
  height: 50px;
  background: #354052;
  border-radius: 50%;
  text-align: center;
  line-height: 50px;
  display: inline-block;
  cursor: pointer;
}
.slider .tai {
  position: absolute;
  top: 0px;
  bottom: 0px;
  z-index: 100;
  margin: auto;
  right: -30px;
  color: black;
  width: 50px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  display: inline-block;
  cursor: pointer;
}
/* .slider .priv_arrow_index:hover,
.slider .priv_arrow_index:focus,
.slider .next_arrow_index:hover,
.slider .next_arrow_index:focus {
  color: transparent;
  outline: none;
  background: transparent;
}
.slider .priv_arrow_index:hover:before,
.slider .priv_arrow_index:focus:before,
.slider .next_arrow_index:hover:before,
.slider .next_arrow_index:focus:before {
  opacity: 1;
}
.slider .priv_arrow_index:before,
.slider .next_arrow_index:before {
  opacity: 0.25;
}
.slider .priv_arrow_index:before,
.slider .next_arrow_index:before {
  font-family: "slick";
  font-size: 30px;
  line-height: 1;

  z-index: 20;

  opacity: 0.75;
  color: #354052;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
} */