.section-start-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    max-width: 298px;
    margin: 0 auto;
}

.section-start-actions .section-start,
.section-start-actions .btn-arena-invite {
    margin: 0;
    box-sizing: border-box;
    white-space: nowrap;
}

.section-start-actions .section-start {
    display: block;
    flex: 0 1 154px;
    max-width: 154px;
    padding: 10px 12px;
    border-radius: 3px;
    box-shadow: 0 2px 4px rgba(33, 150, 243, .25);
}

.section-start-actions .btn-arena-invite {
    display: flex;
    flex: 0 1 132px;
    max-width: 132px;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0;
    padding: 8px 10px;
    border: 1px solid #2196f3;
    border-radius: 3px;
    background: #fff;
    color: #2563eb;
    font-weight: bold;
    white-space: nowrap;
}

.section-start-actions .btn-arena-invite:hover {
    background: #f0f8ff;
}

.section-start-actions .section-start.hide + .btn-arena-invite {
    display: none !important;
}