.button {
    border-radius: 0;
    padding-left: 1.95em;
    padding-right: 1.95em;
    clip-path: polygon(7.5% 0,100% 0%,92.5% 100%,0% 100%);
}
.button.is-primary {
    background-color: #e87722;
    border-color: transparent;
    color: #fff;
}
.button.is-link {
    background-color: #307fe2;
    border-color: transparent;
    color: #fff;
}
.button.is-primary.is-hovered, 
.button.is-primary:hover {
    background-color: #e87722;
    border-color: transparent;
    color: #fff;
    filter: brightness(1.15);
}
.button.is-link.is-hovered, 
.button.is-link:hover {
    background-color: #307fe2;
    border-color: transparent;
    color: #fff;
    filter: brightness(1.15);
}