css/css-text/white-space/support/trailing-space-and-text-alignment.css

textarea {
    /* Reset user-agent style */
    margin: initial;
    padding: initial;
    border: initial;
    border-radius: initial;
    outline: initial;
    resize: initial;
    overflow-wrap: initial;

    height: 100px;
    font: 40px/1 Ahem;
    border: 1px solid black;
    overflow-y: hidden;
    overflow-x: auto;

    /* testing */
    width: 3ch;
}
.left { text-align: left; }
.center { text-align: center; }
.right { text-align: right; }
.start { text-align: start; }
.end { text-align: end; }