html,
body {
  height: 100%;
}

body {
  margin: 0; /*reset default margin*/
  font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
}

#app {
    height: 100%;
}

.h-80px {
    height: 80px !important;
}

.w-160px {
    width: 160px !important;
}

.w-180px {
    width: 180px !important;
}

.w-450px {
    width:450px !important;
}

.bg-main {
    background: #f8f8f8;
}