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

body {
    background-color: rgb(21, 25, 25);
}

.container {
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.wrapper {
    height: 320px;
    width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 20px;
    border-radius: 50px;
    box-shadow: 0 0 20px 1px rgb(0, 0, 0);
}

.timer {
    font-size: 4rem;
    margin: 15px 10px;
    color: #acfc0c;
    border-radius: 50px;
    padding: 5px 15px;
    box-shadow: 0 0 10px 1px rgb(0, 0, 0);
}

input {
    outline: none;
    border: none;
    padding: 7px;
    text-align: center;
    margin: 10px;
    font-size: 20px;
    width: 75%;
    border-radius: 25px;
}

input::placeholder {
    text-align: center;
}

button {
    padding: 10px;
    width: 75%;
    border: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.756);
    background-color: #acfc0c;
    margin: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
}

button:hover {
    color: #acfc0c;
    background-color: rgb(0, 0, 0);
}

/* github = https://github.com/arpit-pathak */