.clear{
    clear: both;
}
.clear1{
    clear: both;
    height: 1px;
}
.txt-center{
    text-align: center;
}
.txt-right{
    text-align: right;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.hidden{
    display: none;
}
.dblock{
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    text-decoration: none;
}
.dblock span{
    visibility: hidden;
}
.mt5{
    margin-top: 5px;
}
.mt20{
    margin-top: 20px;
}
.mb5{
    margin-bottom: 5px;
}
.mt10{
    margin-top: 10px;
}
.mr10{
    margin-right: 10px;
}

.h10{
    height: 10px;
}
.h20{
    height: 20px;
}
.h30{
    height: 30px;
}
.h40{
    height: 40px;
}
.h50{
    height: 50px;
}
.h150{
    height: 150px;
}
.left{
    float: left;
}
.right{
    float: right;
}
.mb0{
    margin-bottom: 0;
}
.mb20{
    margin-bottom: 20px;
}
.mt40{
    margin-top: 40px;
}
.mt0{
    margin-top: 0;
}