screen.css

/* Add screen styles below */

body {
    background: #fff;
    font-family: Helvetica, sans-serif;
    border-top: 15px solid #424242;
    margin: 0;
    color: #424242;
    
}

main {
    margin: 0 auto;
    width: 800px;
}

.masthead {
    background: no-repeat bottom / cover url('images/mac.jpg');
    height: 250px;
    border-radius: 20px;
}

.details {
    display: flex;
    gap: 25px;

}

.details section {
    flex-grow: 1;
    flex-basis: 0;
    background: #E9EAEC;
    border-radius: 20px;
    margin-top: 25px;
}

.details section p {
    margin: 20px;

}

.details section h2 {
    margin: 20px
}

.details section.with-code {
    padding: 0;
}


div.code-html {
    padding:25px;
    background: #424242;
    color: #fff;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}

img {
    width: 100%;
    
}
h1 {
    background-image: url('images/Logo.png');
    background-repeat: no-repeat;
    background-size: 40px;
    background-position: center left;
    font-size: 3em;
    padding-left: 55px;
    margin: 100px 0 25px 0;


}

h2 {
    margin: 0 0 10px 0;
}

p {
    margin: 0;
    line-height: 1.4em;
}