#app{height:100%}.wrapper{height:100vh;background-image:linear-gradient(to bottom right,#42b983,#555,#3190e8);overflow:hidden}.el-header{background-color:#b3c0d1;color:#333;line-height:60px}.el-aside{color:#333}body,div,html{margin:0;padding:0}body,html{height:100%}