/*Area del spinner animado para el panel "cargando"*/

.lds-spinner {
    border-radius: 15px;
    width: 100%;
    height: 97%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    background-color: rgba(1, 1, 1, .1);
    position: absolute;
    z-index: 10;
}

    .lds-spinner div.loading {
        position: relative;
        top: 47%;
        width: 13px;
        height: 13px;
        border-radius: 50%;
        background: #fff;
        -webkit-animation-timing-function: cubic-bezier(0, 1, 1, 0);
        animation-timing-function: cubic-bezier(0, 1, 1, 0);
    }

        .lds-spinner div.loading:nth-child(1) {
            left: 8px;
            -webkit-animation: lds-ellipsis1 0.6s infinite;
            animation: lds-ellipsis1 0.6s infinite;
        }

        .lds-spinner div.loading:nth-child(2) {
            left: 8px;
            -webkit-animation: lds-ellipsis2 0.6s infinite;
            animation: lds-ellipsis2 0.6s infinite;
        }

        .lds-spinner div.loading:nth-child(3) {
            left: 32px;
            -webkit-animation: lds-ellipsis2 0.6s infinite;
            animation: lds-ellipsis2 0.6s infinite;
        }

        .lds-spinner div.loading:nth-child(4) {
            left: 56px;
            -webkit-animation: lds-ellipsis3 0.6s infinite;
            animation: lds-ellipsis3 0.6s infinite;
        }

@-webkit-keyframes lds-ellipsis1 {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }

    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes lds-ellipsis1 {
    0% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }

    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@-webkit-keyframes lds-ellipsis3 {
    0% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
}

@keyframes lds-ellipsis3 {
    0% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }
}

@-webkit-keyframes lds-ellipsis2 {
    0% {
        -webkit-transform: translate(0, 0);
        transform: translate(0, 0);
    }

    100% {
        -webkit-transform: translate(24px, 0);
        transform: translate(24px, 0);
    }
}

@keyframes lds-ellipsis2 {
    0% {
        -webkit-transform: translate(0, 0);
        transform: translate(0, 0);
    }

    100% {
        -webkit-transform: translate(24px, 0);
        transform: translate(24px, 0);
    }
}

/* otros css **/ 
.center-image {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
}