For CSS that is optimized for iPhone screens, particularly considering mobile responsiveness and readability on smaller devices, you should incorporate media queries. Media queries will allow you to adjust styles based on the screen size, ensuring that the content is legible and visually appealing even on smaller screens like those of iPhones.

Heres how you can adapt the CSS to be more responsive and suitable for iPhone screens:

/* Base styles for all devices */
.definition-container .explanation-container {
    margin-left: 10px; /* Reduced for smaller screens */
    margin-top: 10px;
    border-left: 2px solid #303F9F;
    padding-left: 10px;
}

.definition-container .explanation {
    color: #303F9F;
    margin-top: 5px;
    display: block;
}

.definition-container .exp-order {
    font-weight: bold;
    margin-right: 5px;
}

.definition-container .exp-item {
    font-style: italic;
}

/* Specific styles for smaller screens such as iPhones */
@media (max-width: 480px) {
    .definition-container .explanation-container {
        margin-left: 5px;
        padding-left: 10px;
    }

    .definition-container .explanation {
        font-size: 14px; /* Larger font size for better readability on small screens */
    }

    .definition-container .exp-order {
        font-size: 14px; /* Consistent size with the explanation to maintain visual harmony */
    }

    .definition-container .exp-item {
        font-size: 14px;
    }
}

/* Additional media query for slightly larger screens like iPhone Plus models */
@media (max-width: 768px) {
    .definition-container .explanation-container {
        margin-left: 8px;
        padding-left: 10px;
    }

    .definition-container .explanation {
        font-size: 15px; /* Adjusting font size according to screen size */
    }

    .definition-container .exp-order {
        font-size: 15px;
    }

    .definition-container .exp-item {
        font-size: 15px;
    }
}

Explanation of the Changes:

  1. Base Styles:

    • The initial styles are set with moderate spacing and padding, considering typical mobile usage but not too small to maintain usability on slightly larger screens.
  2. Media Queries:

    • For screens narrower than 480px: This typically covers smaller smartphones, including older iPhone models. Styles are adjusted to ensure legibility and touch-friendliness. Font sizes are increased to enhance readability, and margins and paddings are adjusted to use the screen space efficiently.
    • For screens up to 768px: This covers larger smartphones and some tablets, providing a middle ground in styling that increases text sizes slightly for better readability as the screen size allows.

This approach ensures that the content is not only readable and aesthetically pleasing on iPhones but also adaptable to various screen sizes encountered in mobile devices.

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