.container {padding-top: 15px;}
.pi-spinner {
    position: absolute; max-width: 80%; top: 50%; left: 50%; margin-left: -32px; margin-top: -32px; border-radius: 3px;
    display: block; box-sizing: border-box;
    width: 64px; height: 64px; padding-left: 64px;
}
.pi-spinner:empty {
    margin: auto;
    transform: translate(-50%, -50%);
}
@media screen and (orientation: portrait) {.pi-spinner { max-width: 90%; }}
@media screen and (orientation: landscape) {.pi-spinner { max-height: 90%; }}
.form-container {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    max-width: 600px;
    margin: 2rem auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
label {
    display: block;
    margin-top: 1rem;
    font-weight: bold;
}
input, textarea {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    margin-top: 1.5rem;
    background-color: #d9534f;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #c9302c;
}