How to remove blocks with the help of command block

Vicky__hubs on Instagram: "[stylesheet-group="0"]{} body{margin:0;} button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0;} html{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:rgba(0,0,0,0);} input::-webkit-search-cancel-button,input::-webkit-search-decoration,input::-webkit-search-results-button,input::-webkit-search-results-decoration{display:none;} [stylesheet-group="1"]{} .css-146c3p1{background-color:rgba(0,0,0,0.00);border:0 solid black;bo