To underline an h1 heading, you can use the text-decoration property in CSS and set its value to underline. Here's an example:

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h1 {
  text-decoration: underline;
}

This will apply an underline to all h1 headings on your web page.

You can make a page responsive for a phone screen by using the CSS media query in order to set a breakpoint that will adjust the page design accordingly based on the width of the user's device.

For example:

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@media only screen and (max-width: 600px) {
   body {
     background-color: lightblue;
   }
}

This media query is telling the page that when it is detected that the page is being viewed on a device where the width is less than or equal to 600px, then apply the background-color of lightblue to the body element.

Further reading:

• CSS Media Queries (MDN)

Below is an example of the CSS you can use to style a square button.

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.button {
  background-color: #ff7600;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  font-size: 16px;
  display: inline-block;
  margin: 4px 2px;
  cursor: pointer;
  border-radius: 0;
}

Using CSS media queries, you can create a website or web page with responsive design. Media queries allow you to target certain CSS styles based on the characteristics of the user's device, such as width, height, orientation, resolution, etc.

For example, using a media query to create a responsive website would look something like this:

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@media only screen and (max-width: 600px) {
  /* CSS code to make website responsive */
  body {
   font-size: 14px;
  }
}

By declaring a max width of 600px, this media query will apply the styles specified inside the query only when the screen size is less than 600px.

The syntax for a media query consists of the @media keyword followed by the condition that needs to be matched for the styles to be applied.

Link for more information about media queries and responsive design: https://developer.mozilla.org/en-US/docs/Learn/CSS/CSS_layout/Responsive_Design

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.container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

To make your webpage look responsive, use a combination of HTML, CSS, and JavaScript. You can use @media queries in your CSS code to change styling based on the viewport size. For example:

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@media (max-width: 600px) {
  nav {
    display: none;
  }
}

This code will hide a navigation element from the page when the viewport width is 600px or less. Additionally, you can use frameworks such as Bootstrap or Foundation to quickly implement common responsive designs.

This can be achieved in CSS using the box-shadow property.

For example, the code below creates a button with a 2dp shadow:

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.button {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

You can use the display: inline-block property in CSS to put two

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li { 
  display: inline-block; 
}

You can create a contact us page by adding an HTML form to your website. Depending on your programming language, you can also use a template engine like EJS or PUG.

An example using HTML and CSS might look like this:

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<form action="/contact" method="post">
  <label for="name">Name</label>
  <input type="text" name="name" placeholder="Name">
  <label for="email">Email</label>
  <input type="email" name="email" placeholder="Email">
  <label for="message">Message</label>
  <textarea name="message" placeholder="Message"></textarea>
  <button type="submit">Submit</button>
</form>

css
 
 
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form {
  padding: 1.5rem;
  border-radius: 3px;
  background-color: #eee;
}
label {
  font-weight: 500;
}
input,
textarea {
  width: 100%;
  margin-bottom: 1.5rem;
  padding: .5rem;
  border-radius: 3px;
}

Bootstrap is a free and open-source front-end web development framework for designing websites and web applications. It is based on HTML, CSS, and JavaScript, and contains predefined CSS classes to help reduce the time spent on writing and creating layouts. Some of the features of Bootstrap include responsiveness, extending browser support, and providing ready-to-use components.

A wireframe is a two-dimensional skeletal outline of the user interface (UI) of a website or software application. Making a wireframe generally involves using boxes, lines, and placeholder text and images to represent the visual hierarchy of the UI design.

You can make a wireframe using different design tools, such as Adobe XD, Sketch, or Figma. You can also find online wireframing tools, such as Mockflow or UXPin.

Creating a perfect portfolio page depends on the individual’s goals, content, and skills. Here are some general guidelines to help create an effective page:

1. Design: Make sure your page is visually appealing and easy to navigate.
2. Content: Focus on the projects and experiences that are most relevant to your industry and skill level.
3. Credentials: Make sure to include any certifications or education that highlight your qualifications.
4. Links: Include links to your website, GitHub, or other platforms.
5. Contact & Social: Put your contact information and social media handles within the page.

For more detailed information, check out this helpful article from FreeCodeCamp: How To Make a Perfect Portfolio Webpage

Becoming a solution architect requires knowledge of the business and technological fields, as well as experience with developing and managing digital solutions. Here are some steps to get started:

1. Start with a degree in software engineering, computer science, or a related field. This is essential for understanding software development, systems architecture, networking, and other areas necessary for becoming a solution architect.

2. Gain experience in programming, software development, and design. Many professionals working in solution architecture came from software development backgrounds, so learning the basics of these subjects and obtaining hands-on experience can be beneficial.

3. Continue your education in enterprise architecture. Learning the concepts of enterprise architecture and taking courses or classes in topics such as network design or cloud computing can give you the insight needed to be successful in the solution architecture field.

4. Obtain certifications. Certifications in areas such as cloud computing, systems architecture, and project management can help demonstrate expertise to employers.

5. Develop presentation and communication skills. Solution architects must be able to effectively communicate their ideas to others and present solutions to stakeholders.

6. Get a job in the field. Working in solution architecture can be a great way to gain experience and start a career in this field.

7. Network with other professionals. Talking to others in the field, attending conferences and seminars, and keeping up with industry trends can help you stay current.

Source: How to Become a Solution Architect

Code smell is a concept in software programming that refers to bad design of code that can make a program difficult to maintain, expand and refactor. Code Smells are usually not bugs, and do not affect the correctness of code, but don’t comply with best practices for writing the code, or making it easier to maintain, such as making the code more concise, efficient and readable. Examples of code smell include long functions, repetitive code, and deep nested looping.