Redesign quiz from scratch

.gitignore

@@ -2,4 +2,5 @@
 _site/
 .sass-cache/
 .jekyll-metadata
-.DS_Store
+.DS_Store
+.jekyll-cache

_posts/2017-09-19-ops-s1-hello.markdown

@@ -114,7 +114,7 @@ Wait, nothing happened! Is that a bug? No! In fact, something did happen. You st
 
 You are now inside the container running a Linux shell and you can try out a few commands like `ls -l`, `uname -a` and others. Note that Alpine is a small Linux OS so several commands might be missing. Exit out of the shell and container by typing the `exit` command.
 
-Ok, we said that we had run each of our commands above in a separate container instance. We can see these instances using the `docker container ls` command. The `docker container ls` command by itself shows you all containers that are currently running:
+Ok, we said that we had run each of our commands above in a separate container instance. We can see these instances using the `docker container ls` (same as `docker ps`) command. The `docker container ls` command by itself shows you all containers that are currently running:
 
 ```.term1
 docker container ls
@@ -242,3 +242,15 @@ Which command lists your Docker images?
 - (x) docker image ls
 - ( ) docker run
 - ( ) docker container ls
+
+{:.quiz}
+What command would you use to inspect "ubuntu" Docker image?
+> docker image inspect ubuntu
+
+{:.quiz}
+Which command(s) list your currently running docker containers?
+- \[x] docker container ls
+- \[ ] docker containers
+- \[ ] docker ls container
+- \[x] docker ps
+- \[ ] docker list-containers

_posts/2017-09-19-ops-s1-swarm-intro.markdown

@@ -197,8 +197,8 @@ What is a stack?
 
 {:.quiz}
 A stack can:
-- (x) be deployed from the commandline
-- (x) use the compose file format to deploy
-- ( ) run a Dockerfile
-- ( ) be used to manage your hosts
-- (x) be used to manage services over multiple nodes
+- \[x] be deployed from the commandline
+- \[x] use the compose file format to deploy
+- \[ ] run a Dockerfile
+- \[ ] be used to manage your hosts
+- \[x] be used to manage services over multiple nodes

_sass/_custom.scss

@@ -1,3 +1,8 @@
+body {
+    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
+    font-size: 16px;
+}
+
 .panel-left .container {
     width: 100% !important;
 }

css/quiz.css

@@ -1,41 +1,161 @@
-/* Carousel base class */
-.carousel {
-  height: 500px;
-  margin-bottom: 60px;
+:root {
+  --primary-color: #0083da;
+  --primary-highlight-color: #056fb6;
+  --primary-text-color: #000000;
+  --background-color: #ffffff;
+  --background-color2: #97cfec;
+  --second-bg-color: rgb(244, 244, 244);
+  --wrong-choice-color: red;
+  --wrong-choice-color2: rgb(255, 231, 231);
+  --correct-choice-color: green;
+  --correct-choice-color2: rgb(164, 238, 201);
 }
-/* Since positioning the image, we need to help out the caption */
-.carousel-caption {
-  z-index: 10;
+
+:root[data-theme='dark'],
+:root[data-force-color-mode="dark"] {
+  --primary-color: #4a6572;
+  --background-color: #eeeeee;
+  --second-bg-color: #dddddd;
 }
 
-/* Declare heights because of positioning of img element */
-.carousel .item {
-  height: 500px;
-  background-color: #777;
+body {
+  background-color: var(--background-color);
+  color: var(--primary-text-color);
 }
-.carousel-inner > .item > img {
-  position: absolute;
-  top: 0;
-  left: 0;
-  min-width: 100%;
-  height: 500px;
+
+.quiz-title {
+  font-weight: 400;
+  font-size: 20px;
+  line-height: 22px;
+  margin-top: 20px;
+  margin-bottom: 5px;
 }
 
-.carousel-caption {
-  text-align: left;
-  top: 0%;
+.quiz-question-content {
+  display: flex;
+  flex-flow: column;
+  gap: 5px;
 }
 
-.carousel-caption label {
-  margin-bottom: 20px;
-  font-size: 21px;
-  line-height: 1;
+.quiz-question-content.open-ended {
+  flex-flow: row;
 }
 
-.quiz-success {
-    color: #5cb85c;
+.quiz-question-content input.answer {
+  flex: 3 1 0%;
+  border: none;
+  border-radius: 4px;
+  padding: 10px;
+  background: var(--second-bg-color);
 }
 
-.quiz-error {
-    color: #d9534f;
+.quiz-question-content input.answer:focus {
+  border: none !important;
 }
+
+.quiz-question-content button.check {
+  border: none;
+  border-radius: 4px;
+  min-height: 30px;
+  background-color: var(--primary-color);
+  flex-grow: 1;
+  max-width: 40%;
+  cursor: pointer;
+  color: var(--background-color);
+  font-size: 14px;
+  font-weight: 600;
+}
+
+.quiz-question-content button.check:hover {
+  background: var(--primary-highlight-color);
+}
+
+.quiz-question-content button.check:active {
+  transform: translateY(1px);
+}
+
+input[type="radio"],
+input[type="checkbox"] {
+  font: inherit;
+  width: 1em;
+  height: 1em;
+  border: 0.15em solid currentColor;
+  border-radius: 0.15em;
+  transform: translateY(-0.075em);
+  place-content: center;
+  vertical-align: middle;
+  position: relative;
+  z-index: 1;
+  margin: 15px;
+  /* Currently this is the way to handle bootstrap style.
+     Suboptimal since it's not very accessible. */
+  display: none;
+}
+
+input[type="checkbox"]:checked::before {
+  transform: scale(1);
+}
+
+.control-label {
+  box-shadow: none;
+  font-size: 1em;
+  display: flex;
+  vertical-align: middle;
+  border: var(--second-bg-color) solid 1px;
+  border-radius: 4px;
+  background: var(--second-bg-color);
+  padding: 10px;
+  /* padding-left: 50px; */
+  cursor: pointer;
+  font-weight: 400;
+}
+
+input:is([type="checkbox"], [type="radio"]):focus~.control-label,
+.control-label:hover {
+  border: 1px solid var(--primary-color);
+  background: var(--background-color2);
+}
+
+input:is([type="checkbox"], [type="radio"]):checked~.control-label {
+  font-weight: 600;
+  transform: scale(1);
+  transition: 520ms transform ease-in-out;
+  border: 1px solid var(--primary-color);
+}
+
+.no-select {
+  user-select: none;
+}
+
+.post-content {
+  display: flex;
+  flex-direction: column;
+}
+
+.font-medium {
+  font-weight: 500;
+}
+
+.font-semibold {
+  font-weight: 600;
+}
+
+.wrong-choice {
+  color: var(--wrong-choice-color);
+  background: var(--wrong-choice-color2);
+}
+
+.correct-choice {
+  color: var(--correct-choice-color);
+  background: var(--correct-choice-color2);
+}
+
+.answered {
+  border: currentColor solid 1px !important;
+  border-radius: 4px;
+}
+
+.question-description {
+  color: gray;
+  font-size: 14px;
+}