JSFiddle - React, Tailwind, and code Playground

HTML

<section class="formContainer">
    <form id="signUpForm" class="pageForm">
        <input type="text" placeholder="Full Name" name="FullName" id="fullName" />
        <input type="text" placeholder="Email" name="email" id="email" />
        <section id="actionBtnsCont">
            <button id="btnSignUp" class="mainBtn" type="button">Sign Up</button>
            <label class="genContextLbl">or</label>
            <button id="btnSignIn" class="genBtn" type="button">Sign In</button>
        </section>
    </form>
</section>

CSS

.formContainer {
    position: relative;
    text-align: center;
    top: 10em;
    width: 500px;
    margin: 0 auto;
}


    /********************************************/
    /**************SignIn_Page \ SignUp_Page******************/
    .formContainer #actionBtnsCont {
        display: inline-block;
        margin-right: 1em;
    }

        .formContainer #actionBtnsCont button {
            display: block;
            width: 450px;
            height: 50px;
            border-radius: 15px;
            cursor: pointer;
            box-shadow: none;
        }

.mainBtn {
    background-color: #7A324F;
    color: #ffffff;
    margin-top: 2em;
    margin-bottom: 1em;
}

.genBtn {
    background-color: #D0D1D3;
    color: #51617F;
    margin-top: 1em;
}

.formContainer #actionBtnsCont .genContextLbl {
    color: #51617F;
    font-weight: 600;
}

form.pageForm {
    margin-top: 2em;
    text-align: center;
}

    form.pageForm input {
        margin-bottom: 1em;
        margin-right: 1em;
        background-color: transparent;
        border-radius: 15px;
        width: 400px;
        height: 40px;
    }

    form.pageForm #email {
        background: url(https://www.apec-econ.ca/system/style/images/icon-small-person.png) no-repeat scroll 4px 9px;
        padding-left: 50px;
    }



form.pageForm #fullName {
    background: url(https://www.apec-econ.ca/system/style/images/icon-small-person.png) no-repeat scroll 4px 7px;
    padding-left: 50px;
}



form.pageForm ::-webkit-input-placeholder {
    color: gray;
    font-size: 1em;
}