body {
background: #0b131a;
}

 html {
background: #0b131a;
}

.container {
  margin: 20px 0 20px 0;
}
.slider * {
  transition : all 0.4s ease 0s ;
  user-select: none;

}
.slider {
    background: #101726;
    margin: auto;
    width: 100%;
    height: 350px;
    overflow: hidden;
    border-radius: 0px;
    position: relative;
    border-block-style: unset;
    border-color: #101726;
border-bottom: 2px solid #4c789f7a;
-webkit-box-shadow: 0 10px 5px #0b2339bd;
  -moz-box-shadow: 0 10px 5px #0b2339bd;
  box-shadow: 0 10px 5px #0b2339bd;

border-top: 1px solid #4c789f7a;
 

}
.slider img{
  width: 100%;
  height: auto;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}
.slider_button {
  font-family: tahoma;
  position: absolute;
  width: 28px;
  height: 28px;
  padding: 10px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  color: #0f232b;
  background: #0f232b;
  border-radius: 200px;
  cursor: pointer;
  top: 50%;
  margin-top: -24px;
}
.slider_button:hover {
  transform:  scale(1.2) rotate(360deg);
  background-color: rgba(255,50,50,0.5);
}
.left {
  left: 20px;
}
.left::after {
  content: "";
}
.right {
  right: 20px;
}
.right::after {
  content: "";
}
.slider_dots_holder {
  padding: 5px;
  background: rgba(255,255,255,0.3);
  position: absolute;
  bottom: 15px;
  right: 15px;
  border-radius: 10px;
}
.slider_dots_holder:hover {
  background: rgba(255,255,255,0.6);
}
.slider_dots_holder:hover .slider_dots {
  width: 20px;
  height: 20px;
}
.slider_dots {
  float: left;
  margin: 5px;
  background: #fff;
  width: 10px;
  height: 10px;
  border-radius: 30px;
  cursor: pointer;
  opacity: 0.5;
}
.slider_alts {
  background: #0b131a;
  opacity: 0;
  position: absolute;
  bottom: 15px;
  left: 15px;
  border-radius: 10px;
  padding: 5px;
}
.slider_dots:hover {
  transform : scale(1.2);
  opacity: 0.8;
  background: #f55;
}

@media only screen and (max-width: 1100px) {
  .slider{
    width: 100%;
    height: 40vw;
  }
}