#myBtn1 {
    position: fixed;
    top: -100px;
    right: 0px;
    z-index: 99;
    background-color: #3eaa85;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 20px;
    transition: all 1s;
    width: 30px;
    height: 30px;
    text-align: center;
    box-shadow: rgba(0, 0, 0, 0.3) 0px 1px 5px
}

#myBtn1 img {
    width: 30px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    position: absolute;
}

#myBtn1:hover {
    background-color: #777;
}

#myBtn {
    position: fixed;
    top: -100px;
    right: 0px;
    z-index: 99;
    background-color: #3eaa85;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 20px;
    transition: all 1s;
    width: 30px;
    height: 30px;
    text-align: center;
    box-shadow: rgba(0, 0, 0, 0.3) 0px 1px 5px
}

#myBtn img {
    width: 40px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    position: absolute;
}

#myBtn:hover {
    background-color: #777;
}

@media screen and (max-width:850px) {
    #myBtn1 {
        opacity: 0.5;
    }

    #myBtn {
        opacity: 0.5;
    }
}