.lds-ring {
    display: inline-block;
    position: relative;
    width: 25px;
    height: 25px;
    margin: 0 auto;
}
.lds-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 24px;
    height: 24px;
    margin: 0px;
    border: 4px solid #fff;
    border-radius: 50%;
    animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: #fff transparent transparent transparent;
}
.lds-ring-blue div {
    box-sizing: border-box;
    display: block;
    position: initial;
    width: 15rem;
    height: 15rem;
    margin: 0px;
    border: 10px solid #00205B;
    border-radius: 50%;
    animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: #00205B transparent transparent transparent;
}
.lds-ring div:nth-child(1) {
    animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
    animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
    animation-delay: -0.15s;
}
@keyframes lds-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

#confirmar-encuesta {
    width: 145px;
    height: 38px;
}