JSFiddle - React, Tailwind, and code Playground

by lukas_li

HTML

default width of block level box
<div class="p">
    parent
    <div class="c b">children</div>
</div>

absolute box with no width
<div class="p">
    parent
    <div class="a b">children</div>
</div>

fixed box with no width
<div class="p">
    parent
    <div class="fi b">chilrend</div>
</div>

float box with no width
<div class="p">
    parent
    <div class="f b">children</div>
</div>

CSS

.p {
    width: 300px;
    height: 80px;
    margin-top: 20px;
    margin-bottom: 20px;
    background-color: red;
}

.b {
    /* width: 100%; */
    height: 40px;
    /* padding: 0 10px; */
    background-color: black;
    color: white;
}

.c {
    /* width: 100%;*/
    padding: 10px;
}

.a {
    /* display: block; */
    position: absolute;
}
.fi {
    position: fixed;
}
.f {
    float: right;
    /* width: 100%; */
}