.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;
    }
}