* {
    box-sizing:border-box;
    text-decoration:none;
    font-family:serif;
    background-repeat:no-repeat;
}
.noselect {
    -moz-user-select:none;
    -webkit-user-select:none;
    -ms-user-select:none;
    -khtml-user-select:none;
    user-select:none;
}
html, body {
    height:100%;
}
body {
    padding:0;
    margin:0;
    font-size:14px;
    font-family:serif;
}
.w1200 {
    width:1200px;
    text-align:left;
}
header {
    background-color:#fff;
}
main {
    background-color:#ecf0f1;
    width:100%;
    height:auto;
    visibility:hidden;
}