.loader {
    margin: 100px auto;
    font-size: 25px;
    width: 1em;
    height: 1em;
    border-radius: 50%;
    position: relative;
    text-indent: -9999em;
    -webkit-animation: load5 1.1s infinite ease;
    animation: load5 1.1s infinite ease;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
}