* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    overflow-x: hidden;
    width: 100%;
}


.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-top: 2.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media ( max-width: 767px ) {
    .title {
        display: flex;
        justify-content: center;
        align-items: center;
    }
}

.managing-data {
    margin-top: 30px;
}

textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    background-color: white;
    color: black;
    resize: none;
}

textarea::placeholder {
    color: gray;
    font-style: italic;
    opacity: 1;
}

.text-out {
    margin-top: 15px;
    padding-top: 10px;
    padding-left: 15px;
    padding-right: 15px;
}

.btn-container {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    width: 100%;
}

@media ( max-width: 767px ) {
    .btn-container {
        display: grid;
        place-items: center;
        gap: 15px;
        margin-top: 15px;
    }
}

.btn {
    padding: 0.75rem 1.25rem; /* 12px 20px */
    border-radius: 0.5rem; /* 8px */
    width: 25%;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-weight: 600;
    font-size: 1.5rem; /* 24px */
    line-height: 2rem; /* 32px */
    text-decoration: underline;
    cursor: pointer;
}

@media ( max-width: 767px ) {
    .btn {
        width: 100%;
    }
}

.btn:hover {
    text-decoration: none;
}

.btn-remove {
    background-color: rgb(134, 239, 172);
}

.btn-copy {
    background-color: rgb(85, 238, 231);
}

.btn-reset {
    background-color: rgb(248, 7, 7);
}