.loader_page {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    height: 100%;
    z-index: 999999;
    background: url('/img/loader4.gif') 50% 50% no-repeat rgba(0, 0, 0, 0); /* Fondo transparente */
    background-size: 80px; /* Reducir el tamaño de la imagen a 50px */
}

#return-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #0268C3;
    background: #0268C3;
    width: 50px;
    height: 50px;
    display: block;
    text-decoration: none;
    -webkit-border-radius: 35px;
    -moz-border-radius: 35px;
    border-radius: 35px;
    display: none;
    -webkit-transition: all 0.3s linear;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

    #return-to-top i {
        color: #fff;
        margin: 0;
        position: relative;
        left: 16px;
        top: 13px;
        font-size: 19px;
        -webkit-transition: all 0.3s ease;
        -moz-transition: all 0.3s ease;
        -ms-transition: all 0.3s ease;
        -o-transition: all 0.3s ease;
        transition: all 0.3s ease;
    }

    #return-to-top:hover {
        background: #0268C3;
    }

        #return-to-top:hover i {
            color: #fff;
            top: 5px;
        }