.ab-bg{position:relative;}
.ab-bg::after{content: '';width: 3000px;position: absolute;top: 0;left: 0;height: 100%;background: #efefef;transform: translateX(-500px);}
.abouts-content article .ab-bg .kche-t206{position: relative;z-index: 9;margin-bottom:0;}
.abouts-content article .ab-bg .kche-t206 .kche-t206-upperpart{margin-bottom:0;}