.loader {
    border: 12px solid #20b2aa;
    border-radius: 50%;
    border-top: 12px solid teal;
    width: 72px;
    height: 72px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 1s linear infinite;
    margin: auto
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0)
    }

    100% {
        -webkit-transform: rotate(360deg)
    }
}

@keyframes spin {
    0% {
        transform: rotate(0)
    }

    100% {
        transform: rotate(360deg)
    }
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: #000;
    background-color: rgba(0, 0, 0, .4)
}

.modal-content {
    margin: auto;
    padding: 20px;
    top: 32%;
    position: relative
}