CSS on https://tweakers.net is suddenly messed up

[NiLSPACE]

When going to https://tweakers.net (and agreeing to the cookies by pressing the blue button) the website looks completely off:

Previously Servo rendered it correctly. It's meant to look like this:

[pyfisch]

How does the Website look before you press the button? For me the website is rendered correctly but I can't press the button nor scoll or do anything.

[NiLSPACE]

When the cookie message is shown the background is just an image.

[NiLSPACE]

I did notice difficulties to interact with the website before, I don't have that problem anymore.

[tigercosmos]

after click button:

ERROR:script::dom::bindings::error: Error at https://tweakers.net/:17:1 osdlfm is not defined
loaded
timelinelite
loaded
tweenlite
loaded
cssplugin
loaded
easepack
loaded
display_style.css
loaded
display_animations[load].js
6 scripts loaded with display_animations[load].js
function initAd not yet loaded, waiting...
ERROR:script::dom::bindings::error: Error at https://cdnjs.cloudflare.com/ajax/libs/gsap/1.20.3/plugins/CSSPlugin.min.js:12:16440 b.style is undefined
6 scripts loaded with display_animations[load].js
function initAd not yet loaded, waiting...
6 scripts loaded with display_animations[load].js
function initAd not yet loaded, waiting...
6 scripts loaded with display_animations[load].js
function initAd not yet loaded, waiting...
6 scripts loaded with display_animations[load].js
function initAd not yet loaded, waiting...
6 scripts loaded with display_animations[load].js
ERROR:script::dom::bindings::error: Error at :0:0 SecurityError: The operation is insecure.
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:36:5 loadJS is not defined
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:42:4 loadJS is not defined
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:46:11 loadJS is not defined
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:133:1 initDropDowns is not defined
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:154:9 SearchSuggest is not defined
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:202:1 Poll is not defined
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:241:1 Tracker is not defined
ERROR:script::dom::bindings::error: Error at https://tweakers.net/:246:4 getNewFrontpageArticles is not defined

stack backtrace:
   0:        0x1058cbefc - backtrace::backtrace::trace<closure>
                        at .cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.2/src/backtrace/mod.rs:42
   1:        0x1058cbf9f - backtrace::capture::Backtrace::new::ha9cf2d44e00d2e11
                        at .cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.2/src/capture.rs:64
   2:        0x101689ae2 - servo::main::{{closure}}
                        at ports/servo/main.rs:130
   3:        0x1076585b1 - std::panicking::rust_panic_with_hook::h79bf091ce7c13854
                        at src/libstd/panicking.rs:578
   4:        0x10269f4bd - std::panicking::begin_panic<&str>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panicking.rs:538
   5:        0x10275b04a - net::fetch::methods::wait_for_response
                        at components/net/fetch/methods.rs:438
   6:        0x102759b56 - net::fetch::methods::main_fetch::ha3dc204b2c6b6b5b
                        at components/net/fetch/methods.rs:404
   7:        0x102758178 - net::fetch::methods::fetch_with_cors_cache::h5f0ef93f1b994562
                        at components/net/fetch/methods.rs:123
   8:        0x102757fc4 - net::fetch::methods::fetch::hc4e8a50d92a1b2fa
                        at components/net/fetch/methods.rs:85
   9:        0x10264ceb8 - net::resource_thread::{{impl}}::fetch::{{closure}}
                        at components/net/resource_thread.rs:359
  10:        0x1025e5444 - std::sys_common::backtrace::__rust_begin_short_backtrace<closure,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/sys_common/backtrace.rs:133
  11:        0x10257225b - std::thread::{{impl}}::spawn::{{closure}}::{{closure}}<closure,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/thread/mod.rs:406
  12:        0x1024779b4 - std::panic::{{impl}}::call_once<(),closure>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panic.rs:300
  13:        0x1026a0924 - std::panicking::try::do_call<std::panic::AssertUnwindSafe<closure>,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panicking.rs:480
  14:        0x10766353e - __rust_maybe_catch_panic
                        at src/libpanic_unwind/lib.rs:99
  15:        0x1026a045c - std::panicking::try<(),std::panic::AssertUnwindSafe<closure>>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panicking.rs:459
  16:        0x1024d5eec - std::panic::catch_unwind<std::panic::AssertUnwindSafe<closure>,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panic.rs:365
  17:        0x102571e9d - std::thread::{{impl}}::spawn::{{closure}}<closure,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/thread/mod.rs:405
  18:        0x1025a8995 - alloc::boxed::{{impl}}::call_box<(),closure>
                        at /Users/travis/build/rust-lang/rust/src/liballoc/boxed.rs:762
  19:        0x10765731b - std::sys::imp::thread::{{impl}}::new::thread_start
                        at src/libstd/sys_common/thread.rs:23
  20:     0x7fffd269193a - _pthread_body
  21:     0x7fffd2691886 - _pthread_start
ERROR:servo: assertion failed: *body == ResponseBody::Empty
called `Result::unwrap()` on an `Err` value: "PoisonError { inner: .. }" (thread fetch worker thread, at src/libcore/result.rs:906)
stack backtrace:
   0:        0x1058cbefc - backtrace::backtrace::trace<closure>
                        at .cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.2/src/backtrace/mod.rs:42
   1:        0x1058cbf9f - backtrace::capture::Backtrace::new::ha9cf2d44e00d2e11
                        at .cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.2/src/capture.rs:64
   2:        0x101689ae2 - servo::main::{{closure}}
                        at ports/servo/main.rs:130
   3:        0x1076585b1 - std::panicking::rust_panic_with_hook::h79bf091ce7c13854
                        at src/libstd/panicking.rs:578
   4:        0x1076583ec - std::panicking::begin_panic<alloc::string::String>
                        at src/libstd/panicking.rs:538
   5:        0x107658342 - std::panicking::begin_panic_fmt::h927f03f3befd4892
                        at src/libstd/panicking.rs:522
   6:        0x1076582a2 - rust_begin_unwind
                        at src/libstd/panicking.rs:498
   7:        0x10766b493 - core::panicking::panic_fmt::h20b07c70227ec294
                        at src/libcore/panicking.rs:71
   8:        0x1024f76d4 - core::result::unwrap_failed<std::sys_common::poison::PoisonError<std::sync::mutex::MutexGuard<net_traits::response::ResponseBody>>>
                        at /Users/travis/build/rust-lang/rust/src/libcore/macros.rs:23
   9:        0x1024e888a - core::result::{{impl}}::unwrap<std::sync::mutex::MutexGuard<net_traits::response::ResponseBody>,std::sys_common::poison::PoisonError<std::sync::mutex::MutexGuard<net_traits::response::ResponseBody>>>
                        at /Users/travis/build/rust-lang/rust/src/libcore/result.rs:772
  10:        0x102754b5f - net::http_loader::http_network_fetch::{{closure}}
                        at components/net/http_loader.rs:1111
  11:        0x1025e5374 - std::sys_common::backtrace::__rust_begin_short_backtrace<closure,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/sys_common/backtrace.rs:133
  12:        0x10257236b - std::thread::{{impl}}::spawn::{{closure}}::{{closure}}<closure,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/thread/mod.rs:406
  13:        0x102477a54 - std::panic::{{impl}}::call_once<(),closure>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panic.rs:300
  14:        0x1026a0ad4 - std::panicking::try::do_call<std::panic::AssertUnwindSafe<closure>,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panicking.rs:480
  15:        0x10766353e - __rust_maybe_catch_panic
                        at src/libpanic_unwind/lib.rs:99
  16:        0x10269fadc - std::panicking::try<(),std::panic::AssertUnwindSafe<closure>>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panicking.rs:459
  17:        0x1024d5fcc - std::panic::catch_unwind<std::panic::AssertUnwindSafe<closure>,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/panic.rs:365
  18:        0x1025707fd - std::thread::{{impl}}::spawn::{{closure}}<closure,()>
                        at /Users/travis/build/rust-lang/rust/src/libstd/thread/mod.rs:405
  19:        0x1025a8805 - alloc::boxed::{{impl}}::call_box<(),closure>
                        at /Users/travis/build/rust-lang/rust/src/liballoc/boxed.rs:762
  20:        0x10765731b - std::sys::imp::thread::{{impl}}::new::thread_start
                        at src/libstd/sys_common/thread.rs:23
  21:     0x7fffd269193a - _pthread_body
  22:     0x7fffd2691886 - _pthread_start
ERROR:servo: called `Result::unwrap()` on an `Err` value: "PoisonError { inner: .. }"

[NiLSPACE]

I've had the crash happen once, but I couldn't reproduce it again.