.alpha_equation, .alpha_equation_small {
    font-size:1.42em;
    font-weight: 500;
    overflow-x: auto;
    overflow-y: visible;
    margin:-0.5em 0;
    text-align: center;
    padding: 1.5em 1em;
    line-height: 1.8em;
    }

    .alpha_equation_small {
        font-size: 1.3em;
    }

    .alpha_matrix {
        text-align: center;
        padding: 1.5em 1em;
        font-size:1.42em;
        line-height: 1.6em;
    }
    
    .alpha_matrix_cell {
        display: inline-block;
        padding: 0em 0.5em;
        font-weight: 500;
        width: 3em;
    }

    .alpha_coverage_canvas_aspect_container {
        width: 90%;
        padding-bottom: 40%;
        position: relative;
        margin: 2em auto;
    }
    .alpha_pd_canvas_container {
        width: 100%;
        max-width: 560px;
        position: relative;
        margin: 2em auto;
        /* background: blue; */
        height: 314px;
    }

    .alpha_glass_container {
        width: 90%;
        padding-bottom: 51%;
        position: relative;
        margin: 1.3em auto;
        /* background: blue; */
    }

    .alpha_lerp_pane {
        border-radius: 5px;
        border: #666 1px solid;
        position: absolute;
        line-height: 50px;
        text-align: center;
        color: #222;
        font-size: 24px;
        -webkit-user-select: none;
        -moz-user-select: none;
        -khtml-user-select: none;
        -ms-user-select: none;
    }


    .alpha_coverage_canvas, .alpha_pd_canvas {
        cursor: move;
    }

    .alpha_layer {
        display: inline-block;
        width: 1.3em;
        height: 1.3em;
        line-height: 1.3em;
        position: relative;
        text-align: center;
        border-radius: 0.3em;
        background: #333;
        color: #fafafa;
        font-weight: normal;
        margin: 0 0.05em;
    }

    .alpha_equation .alpha_layer {
        width: 1.2em;
        height: 1.2em;
        line-height: 1.2em;
        font-size: 0.9em;
    }

    .alpha_operator {
        position: relative;
        margin: 0 0.1em;
        padding: 0.05em 0.25em;
        border-radius: 0.2em;
        background:#ddd;
        white-space:nowrap;
    }
    
    .alpha_c0, .alpha_c1, .alpha_c2, .alpha_c3, .alpha_c4 {
        position: relative;
        margin: 0 0.1em;
        padding: 0.05em 0.25em;
        border-radius: 0.2em;
    }

    .alpha_c0 {
        background: rgba(255, 0, 0, 0.3);
    }
    
    .alpha_c1 {
        background: rgba(0, 255, 0, 0.3);
    }
            
    .alpha_c2 {
        background: rgba(0, 0, 255, 0.3);
    }

    .alpha_c3 {
        background: rgba(0, 0, 0, 0.3);
    }

    .alpha_c4 {
        background: rgba(240, 200, 0, 0.4);
    }


    .alpha_r, .alpha_g, .alpha_b, .alpha_a {
        position: relative;
        margin: 0 0.1em;
        padding: 0.05em 0.25em;
        border-radius: 0.2em;
    }


    
    
    .alpha_r {
        background: rgba(255, 0, 0, 0.3);
    }
    
    .alpha_g {
        background: rgba(0, 255, 0, 0.3);
    }
            
    .alpha_b {
        background: rgba(0, 0, 255, 0.3);
    }

    .alpha_a {
        background: rgba(0, 0, 0, 0.3);
    }

    .alpha_r:after, .alpha_g:after, .alpha_b:after, .alpha_a:after  {
        font-weight: normal;
        font-family: "IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
        position: absolute;
        font-size: 0.55em;
        bottom: -2.2em;
        text-align: center;
        width: 100%;
        left:0;
        width: calc(30em);
        left:calc(50% - 15em);
    }
    
    .alpha_r:after  {
        content: 'R';
    }
    
    .alpha_g:after  {
        content: 'G';
    }
    .alpha_b:after  {
        content: 'B';
    }

    .alpha_a:after  {
        content: 'A';
    }


    .alpha_pd_example_canvas {
        cursor: pointer;
    }

    #alpha_pd_example_container {
        margin-bottom: 0.5em;
    }
    
    
    .alpha_segmented_container {
        max-width: 500px;
        margin: 0 auto;
    }

    #alpha_text_bit_canvas_container, #alpha_gradient_bit_canvas_container {
        width: 100%;
        max-width:400px;
        height: 400px;
        /* background:red; */
        margin: 0 auto;
        display: block;
        margin: 2em auto;
    }
 
    #alpha_lerper_container {
        width: 100%;
        max-width: 400px;
        position: relative;
        margin: 2em auto 2em auto;
        height: 360px;
    }

    .alpha_sampler_canvas_container {
        width: 100%;
        position: relative;
        margin: 1em auto 2em auto;
        max-width: 560px;
        height: 360px;
    }
    

    #alpha_alpha_mul_canvas_container {
        position: relative;
        margin: 1em auto 2.5em auto;
        height: 360px;
        width: 100%;
        max-width: 560px;
    }

    .alpha_slider_container   {
        margin: 0 auto;
        padding: 0;
        width: 90%;
        max-width: 380px;
    }

    .alpha_slider_container .alpha_mul_slider_left_gutter,
    .alpha_slider_container .alpha_mul_slider_right_gutter,
    .alpha_slider_container .alpha_mul_slider_knob {
        background: #777;
    }


    .alpha_mul_slider_left_gutter, .alpha_mul_slider_right_gutter {
        position: absolute;
        height: 4px;
        top: 18px;
        border-radius: 2px;
    }
    
    .alpha_mul_slider_knob {
        position: absolute;
        width: 40px;
        height: 40px;
        border-radius: 20px;
        cursor: ew-resize;
    }
    
    .alpha_mul_slider_left_gutter, .alpha_mul_slider_right_gutter {
        top: -2px;
    }
    
    .alpha_mul_slider_right_gutter {
        opacity: 0.2;
    }
    
    .alpha_mul_slider_knob, .alpha_mul_blie_slider_knob {
        left:-20px;
        top: -20px;
    }
    
    #alpha_alpha_mul_red_container .alpha_mul_slider_left_gutter,
    #alpha_alpha_mul_red_container .alpha_mul_slider_right_gutter,
    #alpha_alpha_mul_red_container .alpha_mul_slider_knob {
        background: #FF4343;
    }

    #alpha_alpha_mul_blue_container .alpha_mul_slider_left_gutter,
    #alpha_alpha_mul_blue_container .alpha_mul_slider_right_gutter,
    #alpha_alpha_mul_blue_container .alpha_mul_slider_knob {
        background:#2968FF;
    }

    #alpha_pd_table_small {
        display: none;
    }

    #alpha_pd_table_mid {
        display: none;
    }

    @media only screen and (max-width: 800px) {


        #alpha_pd_table_big {
            display: none;
        }
        
        #alpha_pd_table_mid {
            display: table;
        }
    }

    @media only screen and (max-width: 690px) {

        #alpha_pd_table_mid {
            display: none;
        }

    #alpha_pd_table_small {
        display: table;
    }
}

@media only screen and (max-width: 520px) {


    .alpha_equation {
        font-size:1.3em;
        padding: 1.5em 0;
        }

}

@media only screen and (max-width: 420px) {


    #alpha_pd_table_small {
        font-size: 0.95em;
    }
    .alpha_equation {
        font-size:1.2em;
        padding: 1.5em 0;
        }

}


@media only screen and (max-width: 360px) {


    #alpha_pd_table_small {
        font-size: 0.8em;
    }

    .alpha_equation {
        font-size:1.25em;
        padding: 1.5em 0;
        }
}