body,dd,div,dl,dt,form,h1,h2,h3,h4,h5,h6,html,input,li,ol,p,select,td,textarea,th,ul{margin:0;padding:0}#app,body,html{min-height:100%;width:100%;height:100%;position:relative;top:0;bottom:0;overflow:auto;font-size:16px}body{font-family:Microsoft YaHei;color:#444}.clear:after{content:".";height:0;visibility:hidden;display:block;clear:both}.el-message{font-size:16px}.screen-course .el-dialog{border-radius:10px}.screen-course .el-dialog__header{border-bottom:1px solid #eff3f5;padding:20px}.screen-course .el-dialog__header span{font-size:24px}.screen-course .el-dialog__body p{font-weight:600;font-size:22px;color:#444;line-height:30px;text-align:left;margin-bottom:25px}.screen-course .el-dialog__body p.remind{color:#888e9e;font-size:20px;margin-top:40px}