body {
    margin: 0px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    height: 100vh;
}
.content {
    width: 300px;
    padding: 30px;
    border-radius: 8px;
    background-color: #333;
    color: white;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.5);
}
.textfield {
    width: auto;
    height: 60px;
    font-size: 24px;
    background-color: #222;
    border: none;
    padding: 10px !important;
    text-align: right;
    color: white;
    border-radius: 5px;
    margin-bottom: 20px;
    padding-right: 10px !important;
}
.buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.button {
    width: 100%;
    height: 60px;
    font-size: 20px;
    border: none;
    background-color: #444;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s;
    user-select: none;
}

.button:active {
    background-color: #555;
}

.button.operator {
    background-color: #ff9500;
}

.button.operator:active {
    background-color: #e08900;
}

.copyimg {
    width: 24px;
    height: 24px;
    color: black;
}

.header {
    background-color: #434343;
    width: 100%;
    padding: 8px;
    top: 0px;
    margin-bottom: 32px;
}

.header h1 {
    margin-left: 16px;
    color: white;
}

.footer {
    background-color: #434343;
    width: 100%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 32px;
}

.footer a {
    color: white;
    text-decoration: none;
    margin-right: 8px;
    padding: 8px;
}

.footer a:hover {
    background-color: #b4b4b48d;
    color: #404040e7;
}

.footer p {
    margin-left: 8px;
}

.backToHomeScreen {
    display: flex;
    align-items: center;
    justify-content: center;
}

.backToHomeScreen img {
    filter: brightness(100);
    width: 20px;
    height: 20px;
}