mnml-spinner.css

/*  ==================================================================  */
/*  mnml-spinners v1.0
/*  ----
/*  Minimal one-element spinner/loader
/*  ----
/*  dennisandersson.me
/*  twitter.com/ndrsn
/*  dribbble.com/dennisandersson
/*  github.com/rawksteady/
/*  codepen.io/dennisandersson
/*  ==================================================================  */

    .mnml-spinner {
        border-radius: 100%;
        border-style: solid;
        border-width: 0.25rem;
        height: 5rem;
        width: 5rem;

        animation: mnmlSpinner 1s infinite linear;
    }
        .mnml-spinner.light {
            border-color: rgba(255, 255, 255, 0.2);
            border-top-color: rgba(255, 255, 255, 1);
        }
        .mnml-spinner.dark {
            border-color: rgba(0, 0, 0, 0.2);
            border-top-color: rgba(0, 0, 0, 1);
        }
        @keyframes mnmlSpinner {
            0%   { transform: rotate(0); }
            100% { transform: rotate(359.9deg); }
        }