/* General styling */
body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to bottom right, #6a11cb, #2575fc);
    color: white;
    text-align: center;
    margin: 0;
    padding: 0;
}

h1 {
    margin: 20px 0;
    font-size: 2.5rem;
    color: #fff;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
}


.container {
    background: #222;
    margin: auto;
    padding: 20px;
    width: 300px;
    border-radius: 15px;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.5);
    text-align: center;
    border: 5px solid white; 
}


.inputs .input {
    width: 90%;
    height: 50px;
    font-size: 1.5rem;
    margin: 10px 0;
    padding: 10px;
    border-radius: 10px;
    border: none;
    text-align: right;
    background: #333;
    color: white;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Buttons */
button.bttn {
    width: 65px;
    height: 65px;
    margin: 5px;
    font-size: 1.2rem;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    background: linear-gradient(to bottom, #444, #222);
    color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

button.bttn:hover {
    background: linear-gradient(to bottom, #666, #444);
    transform: scale(1.1);
}

button.bttn:active {
    background: #000;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
}


button.bttn[style*="background-color"] {
    color: black !important;
    box-shadow: 0 4px 6px rgba(0, 255, 0, 0.5);
}

button.bttn[style*="background-color"]:hover {
    color: white !important;
}


.row,
.row2,
.row3,
.row4 {
    display: flex;
    justify-content: center;
}