html,body{height:100%}
body{background:url(https://googledrive.com/host/0BzI_fJvs6ThgYTUzbjBJbXY4aHM/paper_00.png) repeat #d1ceb9;margin:0;padding:0}
a:link,a:visited{color:#5a4c26;text-decoration:none}
a:hover{color:#c1650c}
img{border:0}
.boxing_size{box-sizing:border-box;-moz-box-sizing:border-box}
.container_rekl{width:1464px;margin:0 auto;position:relative}
.rekl_left{position:absolute;top:0;left:0;width:160px;height:750px}
.rekl_right{position:absolute;top:0;right:0;width:300px;height:600px}
.container{width:1004px;margin:0 auto;position:relative;box-sizing:border-box;-moz-box-sizing:border-box;-moz-box-shadow:0 -60px 160px 10px #ededd9;-webkit-box-shadow:0 -60px 160px 10px #ededd9;box-shadow:0 -60px 160px 10px #ededd9}
.top{background:url(grafika/matemaks_logo2.jpg) left no-repeat #000;height:150px;margin:0 auto;border-top-left-radius:8px;border-top-right-radius:8px;-webkit-box-shadow:0 0 30px #3b2f23 inset;-moz-box-shadow:0 0 30px #3b2f23 inset;box-shadow:0 0 30px #3b2f23 inset}
.navigation{width:100%;z-index:10;position:relative;height:93px}
.navigation_content{width:1004px;margin:0 auto;background:#eee;box-sizing:border-box;-moz-box-sizing:border-box}
.menu_glowne{text-align:center;padding:10px;background:#5f5f5e;background:-webkit-linear-gradient(#2d2c2b,#5f5f5e,#535353);background:-o-linear-gradient(#2d2c2b,#5f5f5e,#535353);background:-moz-linear-gradient(#2d2c2b,#5f5f5e,#535353);background:linear-gradient(#2d2c2b,#5f5f5e,#535353)}
.menu_glowne a{display:inline-block;margin:0 0 0 5px;padding:0 20px;height:40px;line-height:40px;font-size:16px;font-family:'Philosopher',sans-serif;font-weight:700;text-decoration:none;text-transform:uppercase;color:#ddd;background:#333;background:-webkit-linear-gradient(#333,#424242,#333);background:-o-linear-gradient(#333,#424242,#333);background:-moz-linear-gradient(#333,#424242,#333);background:linear-gradient(#333,#424242,#333);border:1px solid #000;-moz-border-radius:5px;-webkit-border-radius:5px;border-radius:5px}
.menu_glowne a:hover{color:#000;background:#8e9f3e;background:-webkit-linear-gradient(#8e9f3e,#a4ba37,#8e9f3e);background:-o-linear-gradient(#8e9f3e,#a4ba37,#8e9f3e);background:-moz-linear-gradient(#8e9f3e,#a4ba37,#8e9f3e);background:linear-gradient(#8e9f3e,#a4ba37,#8e9f3e)}
a.menu_glowne_akt{color:#000;background:#909b5f;background:-webkit-linear-gradient(#8e9f3e,#a4ba37,#8e9f3e);background:-o-linear-gradient(#8e9f3e,#a4ba37,#8e9f3e);background:-moz-linear-gradient(#8e9f3e,#a4ba37,#8e9f3e);background:linear-gradient(#909b5f,#b4c469,#909b5f)}
.rekl_box1{margin:10px auto;text-align:center}
.navigation2{display:none;clear:both;padding:0;margin-top:-10px;padding-top:10px;text-align:left}
.navig2_cont{padding:10px;text-decoration:none;overflow:hidden;background:#535353;background:-webkit-linear-gradient(#535353,#535353,#535353);background:-o-linear-gradient(#535353,#535353,#535353);background:-moz-linear-gradient(#535353,#535353,#535353);background:linear-gradient(#535353,#535353,#535353);border:2px solid #554e43;border-bottom:0;border-top:0}
.menu2{padding:0 5px;line-height:20px;float:left;overflow:hidden;box-sizing:border-box;-moz-box-sizing:border-box}
.navig2_cont a{display:block;margin:4px;padding:0 10px 2px;min-height:30px;line-height:30px;font-size:18px;font-family:Times New Roman,serif;font-weight:700;text-decoration:none;color:#000;background:#999;background:-webkit-linear-gradient(#999,#ddd,#999);background:-o-linear-gradient(#999,#ddd,#999);background:-moz-linear-gradient(#999,#ddd,#999);background:linear-gradient(#999,#ddd,#999);border:1px solid #000;-moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px}
.navig2_cont a:hover{color:#000;background:#8e9f3e;background:-webkit-linear-gradient(#b8cd57,#e9ff85,#b8cd57);background:-o-linear-gradient(#b8cd57,#e9ff85,#b8cd57);background:-moz-linear-gradient(#b8cd57,#e9ff85,#b8cd57);background:linear-gradient(#b8cd57,#e9ff85,#b8cd57)}
.navigation2_index{display:block}
.navig2_cont_index{background:inherit;border:0}
.navig2_cont_index a{font-size:18px;color:#000;background:#e7e7df;background:-webkit-linear-gradient(#e7e7df,#fff,#e7e7df);background:-o-linear-gradient(#e7e7df,#fff,#e7e7df);background:-moz-linear-gradient(#e7e7df,#fff,#e7e7df);background:linear-gradient(#e7e7df,#fff,#e7e7df);border:1px solid #666;-moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px}
.navig2_cont_index a:hover{color:#000;background:#f2f3c7;background:-webkit-linear-gradient(#f2f3c7,#ffe,#f2f3c7);background:-o-linear-gradient(#f2f3c7,#ffe,#f2f3c7);background:-moz-linear-gradient(#f2f3c7,#ffe,#f2f3c7);background:linear-gradient(#f2f3c7,#ffe,#f2f3c7)}
.logo_link{display:block;height:120px;width:170px;margin-left:110px}
.nawigacja_info{position:relative;clear:both;min-height:24px;font-weight:700;font-size:16px;padding:6px 4px 0 10px;border:2px solid #554e43;background:#d1bf85;background:-webkit-linear-gradient(#d1bf85,#d5cbab,#d1bf85);background:-o-linear-gradient(#d1bf85,#d5cbab,#d1bf85);background:-moz-linear-gradient(#d1bf85,#d5cbab,#d1bf85);background:linear-gradient(#d1bf85,#d5cbab,#d1bf85)}
.nawigacja_info a:link,.nawigacja_info a:visited{color:#8B4500;text-decoration:none}
.nawigacja_info a:hover{color:#FF7F00}
.middle{border-bottom:0;border-top:0;padding:35px 20px 20px;background:#fff;border:2px solid #554e43;border-bottom-left-radius:8px;border-bottom-right-radius:8px;-webkit-box-shadow:0 0 30px #a08e72 inset;-moz-box-shadow:0 0 30px #a08e72 inset;box-shadow:0 0 30px #b3ae87 inset;box-sizing:border-box;-moz-box-sizing:border-box}
.footer{width:984px;height:22px;color:#000;font-size:14px;padding:8px 10px 0;margin:0 auto;text-align:center}
.footer a:link,.footer a:visited{color:#494123}
.footer a:hover{color:#c1650c}
.pasek_logowania{position:fixed;top:0;right:0;width:80px;text-align:center;line-height:25px;color:#fff;font-size:14px;padding:6px 4px;background:#000;z-index:999}
.pasek_logowania a:link,.pasek_logowania a:visited{color:#fff;text-decoration:none}
.pasek_logowania a:hover{color:#B9D3EE}
.pasek_sasiednie_tematy{background:#f0f}
.sasiedni_temat_box{width:382px;height:40px;vertical-align:middle;display:table-cell;line-height:20px;text-decoration:none;overflow:hidden;padding:2px 35px}
.larrow:link,.larrow:visited{background:url(grafika/larrow.png) left no-repeat;text-align:left}
.larrow:hover{background:url(grafika/larrow2.png) left no-repeat}
.rarrow:link,.rarrow:visited{background:url(grafika/rarrow.png) right no-repeat;text-align:right}
.rarrow:hover{background:url(grafika/rarrow2.png) right no-repeat}
.next-box-link{border:1px dashed #006400;background:#f0f4f6;padding:10px;margin:30px 0}
.next_link{display:inline-block;padding:0 40px 0 10px}
.s_blok{display:inline-block;width:26px}
.panel_strony{background:#fff;margin:10px 0 20px;padding:0 20px}
.tresc{text-align:justify;font-size:17px;line-height:30px;overflow:hidden;padding:0 20px 30px}
.blok_temat{margin:0 15px}
h1{text-align:center;font-size:24px;font-family:Times New Roman,Helvetica,Arial,Verdana,sans-serif;text-transform:uppercase;letter-spacing:0;word-spacing:2px;font-weight:700;text-decoration:underline;margin:0 auto 30px}
h2.spis{font-size:20px;text-decoration:underline;border:0 solid #fff;background:#fff;text-align:left}
.spis_tresci{margin:15px 0 0}
.spis_tresci ul li{line-height:20px}
.spis_tresci ul li a{color:#423827;text-decoration:none;font-size:17px}
.spis_tresci ul li a:hover{color:#FF7F00}
a.spis_widoczny_link:link,a.spis_widoczny_link:visited{color:#423827;font-weight:700}
#pg{margin-top:-90px;padding-top:90px}
.numerki_stron{text-align:center;background:#fdf9e5;border:1px solid #A8A8A8;margin:15px 0 0;padding:5px 20px}
.numerki_stron a{font-size:18px;font-weight:700;text-decoration:none}
.strzalki_strony{vertical-align:middle;margin:0 3px 2px}
a.tytul_dzialu:link,a.tytul_dzialu:visited{color:#000;text-decoration:none}
a.tytul_dzialu:hover{color:#f96d28}
h2.tytul_dzialu{position:relative;font-size:20px;font-family:Times New Roman,Helvetica,Arial,Verdana,sans-serif;text-decoration:none;text-align:center;background:#f3e3b7;-webkit-box-shadow:0 0 15px #e5d4a4 inset;-moz-box-shadow:0 0 15px #e5d4a4 inset;box-shadow:0 0 15px #e5d4a4 inset;border:1px solid #A8A8A8;-moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px}
h2.tytul_tematu{text-align:center;text-decoration:underline}
ul.auto li{list-style-type:none}
ul.auto{counter-reset:numeracja_auto}
ul.auto li:before{content:counters(numeracja_auto,".") ". ";counter-increment:numeracja_auto}
.zadanie2 h3{margin-bottom:0;margin-top:5px;font-size:18px}
.zadanie2{border:1px solid #ddd;background:#fff;padding:0 10px 10px;margin:10px auto 25px}
ul li.pr a:link,ul li.pr a:visited{background:#f6cbc1}
ul li.pr a:hover{background:#fce1db}
.daszek{text-decoration:overline;font-style:normal}
table.tabela1{border-collapse:collapse;background-color:#FFF;text-align:center;border-color:gray;border-style:inset;border-width:1px}
table.tabela1 td{background-color:#fff;border-color:gray;border-style:solid;border-width:1px;padding:1px}
table.tabela2{border-collapse:collapse;margin:20px auto}
table.tabela2 td{border:1px solid #000;padding:2px 12px;text-align:center}
table.tabela_mod1 td{padding:8px 12px}
tr.gl td{background-color:#fafaf5}
tr.t1 td{background-color:#e1ded2}
tr td.t2{background-color:#e7e6e1}
.blok_wciecie1{margin-left:15px;margin-right:20px}
.blok_wciecie2{margin-left:18px;margin-right:20px}
.blok_wciecie3{margin:12px 18px}
.center{display:block;margin:0 auto;text-align:center}
.TXTcenter{text-align:center}
.centertxt{display:block;text-align:center}
.u{text-decoration:underline}
.rekl_wys1{top:0;left:-336px;width:400px;height:280px;position:fixed;z-index:700}
.rekl_wys2{top:0;right:-300px;width:300px;padding-left:60px;height:600px;position:fixed;text-align:right;z-index:700}
.rekl_wys3{bottom:-200px;left:50%;margin-left:-375px;width:750px;height:200px;padding-top:60px;position:fixed;z-index:700}
.rekl_wys4{bottom:-300px;left:50%;margin-left:-375px;width:750px;height:300px;padding-top:60px;position:fixed;z-index:700}
img.odpowiedzi{margin-top:15px}
a.rozwiazanie_wideo1:link,a.rozwiazanie_wideo1:visited{display:block;border:1px solid #aaa;width:180px;background-color:#eee;text-align:center;overflow:hidden;float:left;text-decoration:none;color:#000;margin-top:20px;margin-bottom:15px}
a.rozwiazanie_pdf2:link,a.rozwiazanie_pdf2:visited{display:block;border:1px solid #aaa;width:180px;background-color:#eee;text-align:center;margin-left:0;overflow:hidden;float:none;text-decoration:none;color:#000;margin-top:20px;margin-bottom:15px}
a.pokaz_rozwiazanie{color:#397fb5}
a.pokaz_rozwiazanie:hover{color:#f96d28}
hr.przerwa1{margin-top:12px;margin-bottom:15px;clear:both}
.zadanie h3{margin-bottom:0;font-size:18px}
.rozw_wideo{vertical-align:middle;margin-bottom:3px;margin-right:4px}
.twierdzenie1,.algorytm,.definicja,.program{border:1px solid #554e43;-moz-border-radius:5px;-webkit-border-radius:5px;border-radius:5px;background:#fff;-webkit-box-shadow:0 0 10px #a08e72 inset;-moz-box-shadow:0 0 10px #a08e72 inset;box-shadow:0 0 10px #b3ae87 inset;margin:20px 15px;padding:15px 20px}
.link_na_gore{position:absolute;right:5px;top:5px;background:#f1f3e1;width:62px;font-size:14px;line-height:18px;border:1px dashed #000;padding-right:5px;text-align:right;margin:auto 0 2px auto}
.link_na_gore a{text-decoration:none}
.wskazowka:hover{color:#444}
.fb-comments{margin-left:20px;margin-bottom:20px;border:1px solid #BDBDBD;border-top:1px solid 0}
.podpunkty_abc{margin:5px auto 0 15px}
.center_wideo{width:650px;margin:10px auto}
.middle_p{vertical-align:middle;margin-left:-24px}
ul.img_abc{list-style-type:none;margin-bottom:25px;margin-top:5px}
ul.img_abc li{margin-bottom:20px}
.vector{margin-left:-.55em;vertical-align:.2em}
.lekcja1 h3{margin-bottom:15px;margin-top:15px;font-size:18px;text-align:center}
.lekcja1{border:1px solid #d4c2f1;background:#f5f8fb;margin:10px auto 25px;padding:0 15px 10px 20px}
.button1{color:#000;background:#eee url(http://s25.postimg.org/qopgrklp7/film5.png) no-repeat;font-weight:400;font-family:Times New Roman,Helvetica,Arial,Verdana,sans-serif;font-size:17px;border:1px solid #ccc;margin-top:15px;float:left;padding:6px 5px 5px}
.button1:hover{color:#000;background:#e8eca8 url(http://s25.postimg.org/qopgrklp7/film5.png) no-repeat;cursor:pointer;border-color:#ccc}
.button1a{background:#eee url(grafika/film1c.png) no-repeat}
.button1a:hover{background:#e8eca8 url(grafika/film1c.png) no-repeat}
.button2{display:block;color:#000;background:#eee url(http://s25.postimg.org/olf1jwlwb/film6.png) no-repeat;font-weight:400;font-family:Times New Roman,Helvetica,Arial,Verdana,sans-serif;font-size:17px;border:1px solid #ccc;float:left;cursor:pointer;margin:15px 0 0 5px;padding:3px 5px 0 30px}
.button2:link,.button2:visited{color:#000;background:#eee url(http://s25.postimg.org/olf1jwlwb/film6.png) no-repeat;text-decoration:none;border-color:#ccc}
.button2:hover{color:#000;background:#e8eca8 url(http://s25.postimg.org/olf1jwlwb/film6.png) no-repeat;cursor:pointer;border-color:#ccc}
.button3:link,.button3:visited{background:#eee url(http://s25.postimg.org/ifjkd0w63/www.png) no-repeat}
.button3:hover{background:#e8eca8 url(http://s25.postimg.org/ifjkd0w63/www.png) no-repeat}
.button4{margin:15px 0 0 5px;background:#eee url(grafika/pisemne.png) no-repeat}
.button4:hover{background:#e8eca8 url(grafika/pisemne.png) no-repeat}
.clear{clear:both}
table.tabela1 td img,.middle{vertical-align:middle}
.tabela2{border-collapse:collapse;background:#fff;text-align:center;border-color:gray;border-style:inset;border-width:1px}
.tabela2 td{background:#fff;border:1px solid gray;padding:1px}
a.rozwiazanie_wideo1:hover,a.rozwiazanie_pdf:hover,a.rozwiazanie_pdf2:hover{background-color:#e8eca8}
.pasek_tryb a:link,.pasek_tryb a:visited{color:#777}
.pasek_tryb a:hover{color:red}
.punkt7{list-style-image:url(grafika/punkt7.gif);margin-bottom:0}
ul li.punkt8{list-style-image:url(grafika/punkt8.gif);margin-bottom:0}
ul li.punkt9{list-style-image:url(grafika/punkt9.gif);margin-bottom:0}
.pdf{list-style-image:url(grafika/pdf_img.png);text-decoration:none}
ul li.pdf a:hover,a.rozwiazanie_wideo2:hover{color:#FF7F00}
.num1{list-style-image:url(grafika/punktatory/num1.gif)}
.num2{list-style-image:url(grafika/punktatory/num2.gif)}
.num3{list-style-image:url(grafika/punktatory/num3.gif)}
.num4{list-style-image:url(grafika/punktatory/num4.gif)}
.num5{list-style-image:url(grafika/punktatory/num5.gif)}
.num6{list-style-image:url(grafika/punktatory/num6.gif)}
.num7{list-style-image:url(grafika/punktatory/num7.gif)}
.num8{list-style-image:url(grafika/punktatory/num8.gif)}
.num9{list-style-image:url(grafika/punktatory/num9.gif)}
.num10{list-style-image:url(grafika/punktatory/num10.gif)}
.a{list-style-image:url(grafika/punktatory/a.gif)}
.b{list-style-image:url(grafika/punktatory/b.gif)}
.c{list-style-image:url(grafika/punktatory/c.gif)}
.d{list-style-image:url(grafika/punktatory/d.gif)}
.e{list-style-image:url(grafika/punktatory/e.gif)}
.f{list-style-image:url(grafika/punktatory/f.gif)}
.g{list-style-image:url(grafika/punktatory/g.gif)}
.h{list-style-image:url(grafika/punktatory/h.gif)}
.i{list-style-image:url(grafika/punktatory/i.gif)}
.j{list-style-image:url(grafika/punktatory/j.gif)}
.k{list-style-image:url(grafika/punktatory/k.gif)}
.l{list-style-image:url(grafika/punktatory/l.gif)}
.przyklad1{margin:10px 20px}
.akapit1{margin:10px 0}
.akapit2{margin:0 0 20px}
.akapit3{margin:10px 0 30px}
.wciecie1{margin-left:1.5em;margin-right:1.5em}
.przycisk1{display:inline-block;border:1px solid #bbb;background:#f9f9f9;margin:3px auto;padding:0 3px;text-decoration:none;width:280px}
.przycisk1:hover{background:#fdfdfd}
.button5{padding:1px 0;margin:4px 0;background:#fff;border:1px solid #aaa;min-width:10px;min-height:20px;font-size:100%;font-family:Times New Roman,Helvetica,Arial,Verdana,sans-serif;vertical-align:middle}
.button5:hover{background:#eee;cursor:pointer;border:1px solid #555}
.button5 img{display:block;padding:0;margin:0;border:0}
.lista1{list-style-type:decimal;margin:10px}
.lista1 li{margin:5px 0 15px;padding-left:10px}
.lista2{list-style-type:lower-alpha}
.lista3{list-style-type:disc;margin:6px 10px 10px}
a.spis_link_w_produkcji:link,a.spis_link_w_produkcji:visited{color:#d21a1a;font-weight:700}
.menu_w_produkcji a:link,.menu_w_produkcji a:visited{background:#f3aeae}
.menu_w_produkcji a:hover{background:#f3ddae}
.t_odp1{width:100%;margin-top:10px}
.t_odp1 td{width:21%;text-align:left}
.t_odp1 td div{margin:0}
.blok_index{margin:0 10px 25px}
.blok_index_t{border-top-left-radius:6px;border-top-right-radius:6px;text-align:center;border:1px solid #a5a7a9}
.blok_index_t1{background:#e9e9cb;background:-webkit-linear-gradient(#e9e9cb,#f3f1e0,#e9e9cb);background:-o-linear-gradient(#e9e9cb,#f3f1e0,#e9e9cb);background:-moz-linear-gradient(#e9e9cb,#f3f1e0,#e9e9cb);background:linear-gradient(#e9e9cb,#f3f1e0,#e9e9cb)}
.blok_index_t2{background:#e2f4da;background:-webkit-linear-gradient(#dcf2d2,#ebf5e5,#dcf2d2);background:-o-linear-gradient(#dcf2d2,#ebf5e5,#dcf2d2);background:-moz-linear-gradient(#dcf2d2,#ebf5e5,#dcf2d2);background:linear-gradient(#dcf2d2,#ebf5e5,#dcf2d2)}
.blok_index_t3{background:#dde9f4;background:-webkit-linear-gradient(#d3e3f3,#e6edf5,#d3e3f3);background:-o-linear-gradient(#d3e3f3,#e6edf5,#d3e3f3);background:-moz-linear-gradient(#d3e3f3,#e6edf5,#d3e3f3);background:linear-gradient(#d3e3f3,#e6edf5,#d3e3f3)}
.blok_index_t4{background:#e7e4dd;background:-webkit-linear-gradient(#e3ded2,#e9e9e7,#e3ded2);background:-o-linear-gradient(#e3ded2,#e9e9e7,#e3ded2);background:-moz-linear-gradient(#e3ded2,#e9e9e7,#e3ded2);background:linear-gradient(#e3ded2,#e9e9e7,#e3ded2)}
.kurs_dzial{margin:0 10px 50px}
.kurs_dzial_temat{text-align:center;background:#e8e3d3;background:-webkit-linear-gradient(#e0dac3,#e8e3d3,#e0dac3);background:-o-linear-gradient(#e0dac3,#e8e3d3,#e0dac3);background:-moz-linear-gradient(#e0dac3,#e8e3d3,#e0dac3);background:linear-gradient(#e0dac3,#e8e3d3,#e0dac3);border:1px solid #a5a7a9;border-top-left-radius:6px;border-top-right-radius:6px}
.kurs_dzial_tresc{background:#fffaf1;border:1px solid #a5a7a9;margin:-1px 0 0;padding:20px;text-align:justify;border-bottom-left-radius:6px;border-bottom-right-radius:6px}
.kurs_dzial_temat h3{margin:0 auto}
.kurs_playlista{display:block;padding:3px 6px;width:160px;margin:10px auto 0;font-size:100%;text-align:center;color:#000;font-weight:700;background:#f9f6ea;background:-webkit-linear-gradient(#ece9dc,#f9f6ea,#ece9dc);background:-o-linear-gradient(#ece9dc,#f9f6ea,#ece9dc);background:-moz-linear-gradient(#ece9dc,#f9f6ea,#ece9dc);background:linear-gradient(#ece9dc,#f9f6ea,#ece9dc);border:1px solid #a5a7a9;border-radius:6px}
.kurs_playlista:link,.kurs_playlista:visited{color:#000}
.kurs_playlista:hover{color:#000;background:#fffefa;background:-webkit-linear-gradient(#ece9dc,#fffefa,#ece9dc);background:-o-linear-gradient(#ece9dc,#fffefa,#ece9dc);background:-moz-linear-gradient(#ece9dc,#fffefa,#ece9dc);background:linear-gradient(#ece9dc,#fffefa,#ece9dc)}
a.link_blok{display:block;width:210px;min-height:210px;background:#fffdf8;margin:10px;border:1px solid #8c6e33;text-decoration:none;text-align:center;color:#000;float:left;owerflow:hidden;box-sizing:border-box;-moz-box-sizing:border-box}
a.link_blok:hover{background:#f2f3c7;border:1px solid #8c6e33;color:#000}
.newsy a:link,.newsy a:visited{text-decoration:none;color:#000}
.newsy a:hover{text-decoration:none;color:#FF7F00}
.news1{margin:0 0 10px;border-bottom:1px solid #ccc}
.news1 span{display:block;font-weight:700;color:#9a3a00;margin:0 20px;padding:0}
.news1 div{margin:0 20px 10px}
#pusty_div{background:#fff}
.button1_latex{display:inline-block;resize:none;min-width:24px;min-height:30px;padding:0 1px;overflow:hidden;margin:1px;background:#efefef;border:1px solid #bbb;cursor:pointer;text-align:center;vertical-align:middle;line-height:30px;position:relative}
.button1_latex:hover{background:#fff}
.button1_latex img{vertical-align:middle;max-height:60px;max-width:160px}
.button2_latex{height:60px;min-width:30px;margin:3px 1px}
.button2_latex img{vertical-align:middle;max-height:58px}
.helper{display:inline-block;height:100%;vertical-align:middle}