/* top_btn_fixed */
.fixed{
    position: fixed;
    top: 80%;
    right: 30px;
    z-index: 999;
    cursor: pointer;
    display: none;
}
.fixed img{
    width: 100%;
}
  
  
/* mobile */
@media screen and (max-width: 767px){ 
    .fixed{
        top: 85%;
        right: -15px;
    }
    .fixed img{
        width: 60%;
    }
}

/* tablet */
@media screen and (min-width: 768px) and (max-width: 1024px){
    .fixed{
        top: 85%;
        right: 0px;
    }
    .fixed img{
        width: 70%;
    }

}