<div class="clear-sort">
       <button type="button" class="btn btn--clear">Tühjenda filtrid</button>
   </div>

.clear-sort .btn--clear{
    border: 1px solid #ece8e3;
    background: transparent;
    color: #c8c4bf;
    font-size: 10px;
    font-family: Roboto;
    font-weight: 700;
    width: 210px;
    margin-top: 20px;
    padding: 7px;
    position: relative;
}
.clear-sort .btn--clear::before{
    content: "";
    background: url('../images/base/clear.png') no-repeat 50%;
    width: 20px;
    height: 20px;
    position: absolute;

}