body {
    font-family: Arial, sans-serif;
    background-color: wheat;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

label {
    margin: 10px 0 5px;
}

.input {
    border: none;
    outline: none;
    border-radius: 15px;
    padding: 1em;
    background-color: #cccccc;
    box-shadow: inset 2px 5px 10px rgba(0, 0, 0, 0.3);
    transition: 300ms ease-in-out;
    margin-bottom: 20px;
    width: 200px;
}

.input:focus {
    background-color: white;
    transform: scale(1.05);
    box-shadow: 13px 13px 100px #969696, -13px -13px 100px #ffffff;
}

button {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 17px;
    padding: 1em 2.7em;
    font-weight: 500;
    background: #1f2937;
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
    border-radius: 0.6em;
    cursor: pointer;
}

.gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    border-radius: 0.6em;
    margin-top: -0.25em;
    background-image: linear-gradient(rgba(0, 0, 0, 0),
            rgba(0, 0, 0, 0),
            rgba(0, 0, 0, 0.3));
}

.label {
    position: relative;
    top: -1px;
}

.transition {
    transition-timing-function: cubic-bezier(0, 0, 0.2, 1);
    transition-duration: 500ms;
    background-color: rgba(16, 185, 129, 0.6);
    border-radius: 9999px;
    width: 0;
    height: 0;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

button:hover .transition {
    width: 14em;
    height: 14em;
}

button:active {
    transform: scale(0.97);
}

#result {
    margin-top: 20px;
    font-size: 1.2em;
    color: #333333;
}