JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="full_half pic"></div>
    <div class="full_half text">test</div>
</div>
<div class="container">
    <div class="full_half text">test</div>
    <div class="full_half pic"></div>
</div>
<div class="container">
    <div class="full_half pic"></div>
    <div class="full_half text">
        dfdfdfdfdfdffdfdfdfdfdfdfdfdfdfdf<br />
        dfdfdfdfdfdffdfdfdfdfdfdfdfdfdfdf<br />
        dfdfdfdfdfdffdfdfdfdfdfdfdfdfdfdf<br />
    </div>
</div>

CSS

*, html, body {
    margin: 0;
    padding: 0;
}

.container {
    width: 100%;
    display: flex;
    box-sizing: border-box;

}

.full_half {
    display: inline-block;
    width: 50%;
    background-color: green;
    float: left;
    min-height: 100px;
}

.pic {
    background-color: red;
    height: 100px;
}

.text {
    box-sizing: border-box;
    padding: 20px 120px;
}

@media screen and (max-width: 480px) {
    .container {
      flex-direction: column;
    }

    .full_half {
      width: 100%;
    }
    
    
    .pic {
      order: 1;
    }
    
    .text{
     order: 2;
     padding: 0 0 !important;
    }

}