#mat_background { position: absolute; left: 0px; top: 0px; z-index: 0; }

b { color: #000000; }

#left_content_1 { position: absolute; left: 20px; top: 60px; width: 350px; z-index: 0; }
#left_content_1 p { text-align: justify; }
#left_content_2 { position: absolute; left: 130px; top: 225px; width: 390px; z-index: 0; }
#left_content_2 p { text-align: justify; }
#left_content_3 { position: absolute; left: 235px; top: 363px; width: 270px; z-index: 0; }
#left_content_3 p { font-size: 12px; text-align: justify; }

#right_content_1 { position: absolute; left: 550px; top: 60px; width: 400px; z-index: 0; }
#right_content_1 p { text-align: justify; }

#right_content_2 { position: absolute; left: 550px; top: 225px; width: 230px; z-index: 0; }
#right_content_2 p { font-size: 11px; text-align: justify; }