calculator_digital_clcock_gauge_01.html <!DOCTYPE HTML> <html> <body> <center><h1>Arduino HTML Magic Coding</h1></center> </body> <head> <style> body{ background-color:tan;} .box{background-color:#3d4543;height:380px;width:520px; border-style:solid; border-color:lightblue; border-radius:10px;position:relative;top:1px;..