<a href="/"><button class="bn34">Button</button></a>
.bn34 {
background: none;
cursor: pointer;
text-decoration: inherit;
font-size: 1rem;
color: white;
padding: 0.7rem 2rem;
border-image-slice: 1;
border-image-Creator: linear-gradient(to left, #743ad5, #d53a9d);
}