marginとかfont周りとかは、使われると想定されるものを予め用意しておくと非常に楽です。
追記：font-sizeを追加
/*===================================================================
layout
===================================================================*/
/* ------ margin ------ */
.mtA { margin:0 auto !important; }
.mt0 { margin-top:0 !important; }
.mt3 { margin-top:3px !important; }
.mt5 { margin-top:5px !important; }
.mt8 { margin-top:8px !important; }
.mt10 { margin-top:10px !important; }
.mt13 { margin-top:13px !important; }
.mt15 { margin-top:15px !important; }
.mt18 { margin-top:18px !important; }
.mt20 { margin-top:20px !important; }
.mt25 { margin-top:25px !important; }
.mt30 { margin-top:30px !important; }
.mt35 { margin-top:35px !important; }
.mt40 { margin-top:40px !important; }
.mt45 { margin-top:45px !important; }
.mt50 { margin-top:50px !important; }
.mt55 { margin-top:55px !important; }
.mt60 { margin-top:60px !important; }
.mt65 { margin-top:65px !important; }
.mt70 { margin-top:70px !important; }
.mt75 { margin-top:75px !important; }
.mt80 { margin-top:80px !important; }
.mt85 { margin-top:85px !important; }
.mt90 { margin-top:90px !important; }
.mt95 { margin-top:95px !important; }
.mt100 { margin-top:100px !important; }
.mr0 { margin-right:0 !important; }
.mr5 { margin-right:5px !important; }
.mr10 { margin-right:10px !important; }
.mr15 { margin-right:15px !important; }
.mr20 { margin-right:20px !important; }
.mr25 { margin-right:25px !important; }
.mr30 { margin-right:30px !important; }
.mr35 { margin-right:35px !important; }
.mr40 { margin-right:40px !important; }
.mr45 { margin-right:45px !important; }
.mr50 { margin-right:50px !important; }
.mr55 { margin-right:55px !important; }
.mr60 { margin-right:60px !important; }
.mb0 { margin-bottom:0 !important; }
.mb3 { margin-bottom:3px !important; }
.mb5 { margin-bottom:5px !important; }
.mb8 { margin-bottom:8px !important; }
.mb10 { margin-bottom:10px !important; }
.mb13 { margin-bottom:13px !important; }
.mb15 { margin-bottom:15px !important; }
.mb18 { margin-bottom:18px !important; }
.mb20 { margin-bottom:20px !important; }
.mb25 { margin-bottom:25px !important; }
.mb30 { margin-bottom:30px !important; }
.mb35 { margin-bottom:35px !important; }
.mb40 { margin-bottom:40px !important; }
.mb45 { margin-bottom:45px !important; }
.mb50 { margin-bottom:50px !important; }
.mb55 { margin-bottom:55px !important; }
.mb60 { margin-bottom:60px !important; }
.mb65 { margin-bottom:65px !important; }
.mb70 { margin-bottom:70px !important; }
.mb75 { margin-bottom:75px !important; }
.mb80 { margin-bottom:80px !important; }
.mb85 { margin-bottom:85px !important; }
.mb90 { margin-bottom:90px !important; }
.mb95 { margin-bottom:95px !important; }
.mb100 { margin-bottom:100px !important; }
.ml0 { margin-left:0 !important; }
.ml5 { margin-left:5px !important; }
.ml10 { margin-left:10px !important; }
.ml15 { margin-left:15px !important; }
.ml20 { margin-left:20px !important; }
.ml25 { margin-left:25px !important; }
.ml30 { margin-left:30px !important; }
.ml35 { margin-left:35px !important; }
.ml40 { margin-left:40px !important; }
.ml45 { margin-left:45px !important; }
.ml50 { margin-left:50px !important; }
.ml55 { margin-left:55px !important; }
.ml60 { margin-left:60px !important; }
/* ------ padding ------ */
.pt0 { padding-top:0 !important; }
.pt3 { padding-top:3px !important; }
.pt5 { padding-top:5px !important; }
.pt8 { padding-top:8px !important; }
.pt10 { padding-top:10px !important; }
.pt13 { padding-top:13px !important; }
.pt15 { padding-top:15px !important; }
.pt18 { padding-top:18px !important; }
.pt20 { padding-top:20px !important; }
.pt25 { padding-top:25px !important; }
.pt30 { padding-top:30px !important; }
.pt35 { padding-top:35px !important; }
.pt40 { padding-top:40px !important; }
.pt45 { padding-top:45px !important; }
.pt50 { padding-top:50px !important; }
.pt55 { padding-top:55px !important; }
.pt60 { padding-top:60px !important; }
.pt65 { padding-top:65px !important; }
.pt70 { padding-top:70px !important; }
.pt75 { padding-top:75px !important; }
.pt80 { padding-top:80px !important; }
.pt85 { padding-top:85px !important; }
.pt90 { padding-top:90px !important; }
.pt95 { padding-top:95px !important; }
.pt100 { padding-top:100px !important; }
.pr0 { padding-right:0 !important; }
.pr5 { padding-right:5px !important; }
.pr10 { padding-right:10px !important; }
.pr15 { padding-right:15px !important; }
.pr20 { padding-right:20px !important; }
.pr25 { padding-right:25px !important; }
.pr30 { padding-right:30px !important; }
.pr40 { padding-right:40px !important; }
.pr45 { padding-right:45px !important; }
.pr50 { padding-right:50px !important; }
.pr55 { padding-right:55px !important; }
.pr60 { padding-right:60px !important; }
.pb0 { padding-bottom:0 !important; }
.pb3 { padding-bottom:3px !important; }
.pb5 { padding-bottom:5px !important; }
.pb8 { padding-bottom:8px !important; }
.pb10 { padding-bottom:10px !important; }
.pb13 { padding-bottom:13px !important; }
.pb15 { padding-bottom:15px !important; }
.pb18 { padding-bottom:18px !important; }
.pb20 { padding-bottom:20px !important; }
.pb25 { padding-bottom:25px !important; }
.pb30 { padding-bottom:30px !important; }
.pb35 { padding-bottom:35px !important; }
.pb40 { padding-bottom:40px !important; }
.pb45 { padding-bottom:45px !important; }
.pb50 { padding-bottom:50px !important; }
.pb55 { padding-bottom:55px !important; }
.pb60 { padding-bottom:60px !important; }
.pb65 { padding-bottom:65px !important; }
.pb70 { padding-bottom:70px !important; }
.pb75 { padding-bottom:75px !important; }
.pb80 { padding-bottom:80px !important; }
.pb85 { padding-bottom:85px !important; }
.pb90 { padding-bottom:90px !important; }
.pb95 { padding-bottom:95px !important; }
.pb100 { padding-bottom:100px !important; }
.pl0 { padding-left:0 !important; }
.pl5 { padding-left:5px !important; }
.pl10 { padding-left:10px !important; }
.pl15 { padding-left:15px !important; }
.pl20 { padding-left:20px !important; }
.pl25 { padding-left:25px !important; }
.pl30 { padding-left:30px !important; }
.pl35 { padding-left:35px !important; }
.pl40 { padding-left:40px !important; }
.pl45 { padding-left:45px !important; }
.pl50 { padding-left:50px !important; }
.pl55 { padding-left:55px !important; }
.pl60 { padding-left:60px !important; }
/* ------ width ------ */
.wauto{ width:auto !important;}
.w1 { width:1%; }
.w2 { width:2%; }
.w3 { width:3%; }
.w4 { width:4%; }
.w5 { width:5%; }
.w6 { width:6%; }
.w7 { width:7%; }
.w8 { width:8%; }
.w9 { width:9%; }
.w10 { width:10%; }
.w11 { width:11%; }
.w12 { width:12%; }
.w13 { width:13%; }
.w14 { width:14%; }
.w15 { width:15%; }
.w16 { width:16%; }
.w17 { width:17%; }
.w18 { width:18%; }
.w19 { width:19%; }
.w20 { width:20%; }
.w21 { width:21%; }
.w22 { width:22%; }
.w23 { width:23%; }
.w24 { width:24%; }
.w25 { width:25%; }
.w26 { width:26%; }
.w27 { width:27%; }
.w28 { width:28%; }
.w29 { width:29%; }
.w30 { width:30%; }
.w31 { width:31%; }
.w32 { width:32%; }
.w33 { width:33%; }
.w34 { width:34%; }
.w35 { width:35%; }
.w36 { width:36%; }
.w37 { width:37%; }
.w38 { width:38%; }
.w39 { width:39%; }
.w40 { width:40%; }
.w41 { width:41%; }
.w42 { width:42%; }
.w43 { width:43%; }
.w44 { width:44%; }
.w45 { width:45%; }
.w46 { width:46%; }
.w47 { width:47%; }
.w48 { width:48%; }
.w49 { width:49%; }
.w50 { width:50%; }
.w51 { width:51%; }
.w52 { width:52%; }
.w53 { width:53%; }
.w54 { width:54%; }
.w55 { width:55%; }
.w56 { width:56%; }
.w57 { width:57%; }
.w58 { width:58%; }
.w59 { width:59%; }
.w60 { width:60%; }
.w61 { width:61%; }
.w62 { width:62%; }
.w63 { width:63%; }
.w64 { width:64%; }
.w65 { width:65%; }
.w66 { width:66%; }
.w67 { width:67%; }
.w68 { width:68%; }
.w69 { width:69%; }
.w70 { width:70%; }
.w71 { width:71%; }
.w72 { width:72%; }
.w73 { width:73%; }
.w74 { width:74%; }
.w75 { width:75%; }
.w76 { width:76%; }
.w77 { width:77%; }
.w78 { width:78%; }
.w79 { width:79%; }
.w80 { width:80%; }
.w81 { width:81%; }
.w82 { width:82%; }
.w83 { width:83%; }
.w84 { width:84%; }
.w85 { width:85%; }
.w86 { width:86%; }
.w87 { width:87%; }
.w88 { width:88%; }
.w89 { width:89%; }
.w90 { width:90%; }
.w91 { width:91%; }
.w92 { width:92%; }
.w93 { width:93%; }
.w94 { width:94%; }
.w95 { width:95%; }
.w96 { width:96%; }
.w97 { width:97%; }
.w98 { width:98%; }
.w99 { width:99%; }
.w100 { width:100%; }
/* ------ text-align ------ */
.taL { text-align:left; }
.taC { text-align:center; }
.taR { text-align:right; }
/* ------ float ------ */
.flL { float:left; }
.flR { float:right; }
/* ------ clearfix ----- */
.clearfix:after { display:block; clear:both; height:0; visibility:hidden; content:" "; }
.clearfix { display:inline-block; }
.clear { clear:both;}
/* ---- font ---- */
.fwB { font-weight:bold;}
.fwN { font-weight:normal !important;}
.fs10 { font-size:10px !important;}
.fs12 { font-size:12px !important;}
.fs14 { font-size:14px !important;}
.fs16 { font-size:16px !important;}
.fs18 { font-size:18px !important;}
.fs20 { font-size:20px !important;}
/* ---- color ---- */
.red { color:#990000;}
.blue{ color:#000099:}
.wh { color:#FFFFFF;}