A {color: red}
DIV.main {background-color: white; margin: 0px auto; position: relative; width: 1180px;}
DIV.zadat {background-color: aqua; width: 300px; padding: 20px}
TD.center {background-color: yellow; color: blue; width: 1200px; text-align: center;  vertical-align: bottom; font-weight: normal; font-family: arial; font-size: 24px;}
TD.nor {background-color: white; color: silver; text-align: center;  vertical-align: middle; font-weight: normal; font-family: arial; font-size: 20px; cursor: pointer;}
TD.foc {background-color: blue; color: white; text-align: center;  vertical-align: middle; font-weight: normal; font-family: arial; font-size: 20px;}
TD.cur {background-color: yellow; color: black; text-align: center;  vertical-align: center; font-weight: bold; font-family: verdana; font-size: 16px;}
TD.cou {background-color: blue; color: white; text-align: center;  vertical-align: center; font-weight: bold; font-family: verdana; font-size: 24px;}
TD.a {background-color: white; color: blue; width: 140px; text-align: center;  vertical-align: center; height: 100px; font-weight: normal; font-family: arial; font-size: 16px;}
TD.h {background-color: white; color: blue; width: 140px; text-align: center;  vertical-align: center; height: 100px; font-weight: normal; font-family: arial; font-size: 16px;}
TD.p {background-color: white; color: black; width: 60px; text-align: center;  vertical-align: center; height: 100px; font-weight: bold; font-family: arial; font-size: 20px;}
TD.z {background-color: white; color: blue; width: 50px; text-align: center;  vertical-align: center; height: 100px; font-weight: normal; font-family: arial; font-size: 20px;}
TD.s {background-color: white; color: blue; width: 50px; text-align: center;  vertical-align: center; height: 100px; font-weight: normal; font-family: arial; font-size: 20px;}
TD.c {background-color: white; color: blue; width: 80px; text-align: center;  vertical-align: center; height: 100px; font-weight: normal; font-family: arial; font-size: 20px;}
TD.b {background-color: silver; color: black; width: 140px; text-align: center;  vertical-align: center; height: 100px; font-weight: bold; font-family: verdana; font-size: 14px;}
TD.n {background-color: red; color: white; width: 140px; text-align: center;  vertical-align: center; height: 100px; font-weight: bold; font-family: verdana; font-size: 32px;}
TD.v {background-color: white; color: black; width: 140px; text-align: center;  vertical-align: center; height: 100px; font-weight: bold; font-family: verdana; font-size: 24px;}
TD.protab {width: 1080px; text-align: center;  vertical-align: center;}
TABLE.tabedit {border-spacing: 0px; cell-spacing: 3px}
TABLE.tabshow {border-spacing: 0px; cell-spacing: 3px;}
TABLE.concrete {border-spacing: 0px; cell-spacing: 3px;}