JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="row">
        <div class="page-account-box">
            <div class="col-lg-8 col-md-8 col-xs-12 mx-auto">
                <div class="ds-userlogin">
                    <div class="account-box">
                            <div class="picture_account"><img src="https://via.placeholder.com/150

C/O https://placeholder.com/" class="imgFormat" /></div>
                            <div class="account-box-content">                                   
                                <form method="post" class="form-account form-inline ">
                                    <div class="form-account-title">
                                        <input type="text" style="border:solid" id="FullName">
                                        <label for="email-phone">Fullname</label>
                                    </div>

                                    <div class="form-account-title">
                                        <input type="password" style="border:solid" id="Password">
                                        <label for="password">Password</label>
                                    </div>
                                    <div class="form-row-account">
                                        <a onclick="Registeruser()" class="btn btn-primary btn-register">Register  </a>
                                    </div>
                                </form>
                            </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

CSS

.page-account-box {
width: 100%;
margin-top: 70px;
}
.page-account-box .ds-userlogin .account-box {
    width: 100%;
    height: auto;
    padding: 0;
    border: 1px solid #e2efef;        
    position: relative;
    margin: 70px auto 30px;
    display: table;
    background: #fff;
    border-radius: 20px;
}

 .page-account-box .ds-userlogin .account-box  .picture_account {
        display: inline;
        width: 50%;
    }
  .page-account-box .ds-userlogin .account-box  .account-box-content
{
min-height: 50%;
padding: 15px 30px;
text-align: center;
border-radius: 20px;
display: inline;
float: left;
}