.site-wrap {
  width:100%;
  max-width: 1170px;
  margin: auto;
  
}

.block-slider { line-height: 118px; }

.block-slider__items { }

.block-slider__items::after {
  display: table;
  clear: both;
  content: " ";
}

.block-slider__item {
  width: 50%;
  float: left;
  
}

 @media (min-width: 350px) {

.block-slider__item { width: 100%; }
}

 @media (min-width: 500px) {

.block-slider__item { width: 50%; }
}
 @media (min-width: 700px) {

.block-slider__item { width: 33.3333%; }
}
 @media (min-width: 800px) {

.block-slider__item { width: 25%; }
}
 @media (min-width: 900px) {

.block-slider__item { width: 25%; }
}
 @media (min-width: 1000px) {

.block-slider__item { width: 25%;}
                      

}

.block-slider__image {
  width:90%;
  height:auto;
  margin:auto;
}