如何在textarea中为所有行加下划线？

Question

如何在textarea中为所有行加下划线？

我需要的东西这样.

PS Textarea有风格 padding: 10px

我不能你背景,因为如果我滚动这个textarea,文本将是这样的.

谢谢!

Answer 1

.notes {
    background-image: -webkit-linear-gradient(left, white 10px, transparent 10px), -webkit-linear-gradient(right, white 10px, transparent 10px), -webkit-linear-gradient(white 30px, #ccc 30px, #ccc 31px, white 31px);
    background-image: -moz-linear-gradient(left, white 10px, transparent 10px), -moz-linear-gradient(right, white 10px, transparent 10px), -moz-linear-gradient(white 30px, #ccc 30px, #ccc 31px, white 31px);
    background-image: -ms-linear-gradient(left, white 10px, transparent 10px), -ms-linear-gradient(right, white 10px, transparent 10px), -ms-linear-gradient(white 30px, #ccc 30px, #ccc 31px, white 31px);
    background-image: -o-linear-gradient(left, white 10px, transparent 10px), -o-linear-gradient(right, white 10px, transparent 10px), -o-linear-gradient(white 30px, #ccc 30px, #ccc 31px, white 31px);
    background-image: linear-gradient(left, white 10px, transparent 10px), linear-gradient(right, white 10px, transparent 10px), linear-gradient(white 30px, #ccc 30px, #ccc 31px, white 31px);
    background-size: 100% 100%, 100% 100%, 100% 31px;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
    line-height: 31px;
    font-family: Arial, Helvetica, Sans-serif;
    padding: 8px;
}

.notes:focus {
    outline: none;
}

body {
    background-color: #eee;
}

<textarea class="notes"></textarea>