remove the use of environment to specify the initial backend server. also tweak layout

2 jobs for dev in 2 minutes and 53 seconds (queued for 1 second)
Name Stage Failure
build Build
chunk {main} main.js, (main) 621 bytes [initial] [rendered]
chunk {polyfills} polyfills.js, (polyfills) 145 kB [initial] [rendered]
chunk {polyfills-es5} polyfills-es5.js, (polyfills-es5) 463 kB [initial] [rendered]
chunk {runtime} runtime.js, (runtime) 6.08 kB [entry] [rendered]
chunk {styles} styles.js, (styles) 935 kB [initial] [rendered]

ERROR in src/app/keygen/keygen.component.ts(35,30): error TS2554: Expected 0 arguments, but got 1.

ERROR: Job failed: exit code 1