#integral-solver .codepad-buttons .button-container {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

#integral-solver .codepad-buttons .button-container .pad-button {
    background-color: #f0f1f2;
}

#integral-solver .action-button {
    background-color: #5e3856;
    width: unset;
    margin: unset;
}

#integral-solver .action-button:hover {
    border: 1px solid #A4A3A3;
    background-color: #F0F1F2;
    color: black;
}

#integral-solver .action-button.solve.running:hover .solve-progress:after {
    border-color: #5e3856 transparent #5e3856 transparent;
}

#integral-solver button.action-button.back-to-calc {
    border: 1px solid transparent;
    background-color: white;
}

#integral-solver button.action-button.back-to-calc:hover {
    border: 1px solid #A4A3A3;
    background-color: #F0F1F2;
    color: black;
}