<a href="#"><button class="btn1-button01">Button</button></a>
<a href="#"><button class="btn2-button01">Button</button></a>
<a href="#"><button class="btn3-button01">Button</button></a>
<a href="#"><button class="btn4-button01">Button</button></a>
<a href="#"><button class="btn5-button01">Button</button></a>

<a href="#"><button class="btn1-button001">Button</button></a>
<a href="#"><button class="btn2-button001">Button</button></a>
<a href="#"><button class="btn3-button001">Button</button></a>
<a href="#"><button class="btn4-button001">Button</button></a>
<a href="#"><button class="btn5-button001">Button</button></a>

<a class="btn1-button31" href="#"><button><i class="far fa-comment-alt"></i> Button</button></a>
<a class="btn2-button31" href="#"><button><i class="far fa-clipboard"></i> Button</button></a>
<a class="btn3-button31" href="#"><button><i class="fas fa-phone-alt"></i> Button</button></a>
<a class="btn4-button31" href="#"><button><i class="fas fa-cloud-download-alt"></i> Button</button></a>
<a class="btn5-button31" href="#"><button><i class="fas fa-user"></i> Button</button></a>

<a class="btn1-button41" href="#">
    <button>
        <span class="btn1-icon-button41"><i class="far fa-comment-alt"></i></span>
        <span class="btn1-text-button41">Button</span>
    </button>
</a>
<a class="btn2-button41" href="#">
    <button>
        <span class="btn2-icon-button41"><i class="far fa-clipboard"></i></span>
        <span class="btn2-text-button41">Button</span>
    </button>
</a>
<a class="btn3-button41" href="#">
    <button>
        <span class="btn3-icon-button41"><i class="fas fa-phone-alt"></i></span>
        <span class="btn3-text-button41">Button</span>
    </button>
</a>
<a class="btn4-button41" href="#">
    <button>
        <span class="btn4-icon-button41"><i class="fas fa-cloud-download-alt"></i></span>
        <span class="btn4-text-button41">Button</span>
    </button>
</a>
<a class="btn5-button41" href="#">
    <button>
        <span class="btn5-icon-button41"><i class="fas fa-user"></i></span>
        <span class="btn5-text-button41">Button</span>
    </button>
</a>

<a class="btn1-button51" href="#"><button>Button</button></a>
<a class="btn2-button51" href="#"><button>Button</button></a>
<a class="btn3-button51" href="#"><button>Button</button></a>
<a class="btn4-button51" href="#"><button>Button</button></a>
<a class="btn5-button51" href="#"><button>Button</button></a>