.font-bold {
    font-weight: bold;;
}
.w-20 {
    width:20px;
}
.ml-5 {
    margin-left:5px;
}
.mr-5 {
    margin-right:5px;
}
.font-heiti {
    font-family: "SimHei", "黑体", "Heiti SC", sans-serif;
}
.color-white {
    color:white;
}
.color-red {
    color:red;
}
.color-orange {
    color:orange;
}
.bg-orange {
    background-color: orange;
}
.radius-4 {
    border-radius: 4px;
}
.font-monospace {
    font-family: monospace;
}

.border-1-orange {
    border: 1px solid orange;
}
.xlb-logo {
    font-size: 3rem;
    color:black;
}