.jloading::after {
    content: '';
    display: block;
    margin: 0 auto;
    margin-top: 46vh;
    width: 50px;
    height: 50px;
    border-style: solid;
    border-color: #007aff;;
    border-top-color: transparent;
    border-width: 6px;
    border-radius: 50%;
    -webkit-animation: jspin .8s linear infinite;
    animation: jspin .8s linear infinite;
}