/* Feather only the decorative background boundary; no broad interior fade. */
.about-main::before,.about-main::after {
 -webkit-mask-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%221200%22%20height%3D%22800%22%20viewBox%3D%220%200%201200%20800%22%3E%3Cdefs%3E%3Cfilter%20id%3D%22soft%22%20x%3D%22-20%25%22%20y%3D%22-20%25%22%20width%3D%22140%25%22%20height%3D%22140%25%22%20color-interpolation-filters%3D%22sRGB%22%3E%3CfeGaussianBlur%20stdDeviation%3D%2210%22%2F%3E%3C%2Ffilter%3E%3C%2Fdefs%3E%3Crect%20x%3D%2236%22%20y%3D%2236%22%20width%3D%221128%22%20height%3D%22728%22%20rx%3D%224%22%20fill%3D%22white%22%20filter%3D%22url%28%23soft%29%22%2F%3E%3C%2Fsvg%3E");mask-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%221200%22%20height%3D%22800%22%20viewBox%3D%220%200%201200%20800%22%3E%3Cdefs%3E%3Cfilter%20id%3D%22soft%22%20x%3D%22-20%25%22%20y%3D%22-20%25%22%20width%3D%22140%25%22%20height%3D%22140%25%22%20color-interpolation-filters%3D%22sRGB%22%3E%3CfeGaussianBlur%20stdDeviation%3D%2210%22%2F%3E%3C%2Ffilter%3E%3C%2Fdefs%3E%3Crect%20x%3D%2236%22%20y%3D%2236%22%20width%3D%221128%22%20height%3D%22728%22%20rx%3D%224%22%20fill%3D%22white%22%20filter%3D%22url%28%23soft%29%22%2F%3E%3C%2Fsvg%3E");
 -webkit-mask-size:100% 100%;mask-size:100% 100%;
 -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
 -webkit-mask-composite:source-over;mask-composite:add;
}