.root-element canvas.wasm-yew-canvas-checkcode {
    width: 170px;
    height: 60px;
    margin-left: 4em;
}
.root-element form {
    margin-left: 4em;
}
.root-element form label {
    display: block;
    white-space: nowrap;
    margin-bottom: .3em;
}
.root-element form label span {
    width: 4em;
    display: inline-block;
}
.root-element form label button {
    width: 234px;
}