body {
    padding: 0;
    margin: 0;
}

.loader {
    background: #10C9A6;
    color: #fff;
    position: fixed;
    z-index: 10000;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100vw;
    min-width: 100vw;
    height: 100vh;
    min-height: 100vh;
    text-align: center;
}
.loader:after {
    content: "";
    display: block;
    box-sizing: border-box;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -60px 0 0 -30px;
    text-indent: -9999em;
    border-top: 4px solid rgba(255, 255, 255, .1);
    border-right: 4px solid rgba(255, 255, 255, .1);
    border-bottom: 4px solid rgba(255, 255, 255, .1);
    border-left: 4px solid rgba(255, 255, 255, .8);
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-animation: spin-loader .8s infinite linear;
    animation: spin-loader .8s infinite linear;
}
.loader:before {
    content: "aguarde...";
    width: 100vw;
    top: 52%;
    left: 0;
    position: absolute;
    text-align: center;
    font-size: 14px;
    line-height: 1;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern";
    -webkit-font-feature-settings: "kern";
    -moz-font-feature-settings: "kern";
    -moz-font-feature-settings: "kern=1";
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@-webkit-keyframes spin-loader {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@keyframes spin-loader {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}