.b1test {
    border: 1px solid red;
}

.bdr-g75 {
    border: 1px solid #bbb;
}

/* flex */
.fx-aj {
    display: flex;
    align-items: center;
    justify-content: center;
}

.fx-a {
    display: flex;
    align-items: center;
}

.fx-j {
    display: flex;
    justify-content: center;
}

.fxFDC-aj {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.fxFDC-j {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.fxFDC-a {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.wd-400 {
    width: var(--tool-wth400);
}

/* padding */
.pa-1r {
    padding: 1rem;
}

.paH-1r {
    padding-inline: 1rem;
}

.paV-1r {
    padding-block: 1rem;
}

.paH-8p {
    padding: 0.5rem;
}

/* margin */
.ma-A {
    margin: auto;
}

.maH-A {
    margin-inline: auto;
}

.maV-A {
    margin-block: auto;
}

.ma-1r {
    margin: 1rem;
}

.maH-1r {
    margin-inline: 1rem;
}

.maV-1r {
    margin-block: 1rem;
}

/* gap */
.g-8P {
    gap: 8px;
}

.g-1r {
    gap: 1rem;
}

.gH-1r {
    row-gap: 1rem;
}

.gV-1r {
    column-gap: 1rem;
}

/* buttons */
.btn-01 {
    font-family: "Roboto", system-ui, ui-sans-serif, sans-serif;
    font-weight: 400;
    line-height: 1.5;
    background-color: var(--blue-400);
    color: var(--white);
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-01:hover {
    background-color: var(--blue-500);
}

.btn-01:active {
    background-color: var(--blue-600);
}

.btn-02 {
    font-family: "Roboto", system-ui, ui-sans-serif, sans-serif;
    font-weight: 400;
    line-height: 1.5;
    background-color: var(--gray-500);
    color: var(--white);
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-02:hover {
    background-color: var(--gray-300);
}

.btn-02:active {
    background-color: var(--blue-400);
}