* {
    box-sizing: border-box;
}

body {
    background: #10101B;
    height: 100vh;
}

.container {
    margin-top: 30px;
}

.half-width {
    height: 570px;
    background: #222436;
    padding: 30px;
    text-align: center;
}

.generate-btn {
    margin-top: 140px;
    width: 180px;
    padding: 50px;
    border-radius: 50%;
    border: 8px solid #39458C;
    background-color: #495BC3;
    color: #ffffff;
    font-weight: bold;
    font-size: 20px;
    text-align: center;
}

.generate-btn:focus {
    outline: none;
    box-shadow: none;
}

input[type='text'] {
    background-color: #3D4153;
    padding: 10px 0px;
    color: #ffffff;
    width: 80%;
    margin: 0 auto;
    border: 2px solid #858299;
    height: 50px;
    padding: 10px;
}

input[type='text']:focus {
    background-color: #3D4153;
    color: #fff;
    font-size: 20px;
}

.numbers {
    margin: 30px 0;
}

.calc-typed {
    margin-top: 20px;
    font-size: 45px;
    text-align: right;
    color: #fff;
}

.calc-button-row {
    width: 100%;
}

.button {
    width: 20%;
    background: #425062;
    color: #fff;
    padding: 20px 0;
    margin: 5px;
    display: inline-block;
    font-size: 25px;
    text-align: center;
    vertical-align: middle;
    margin-right: -4px;
    border-radius: 10px;
    cursor: pointer;
}

.blink-me {
    color: #E0B612;
}

.submit-btn {
    border: none;
    margin-top: 20px;
    padding: 10px 120px;
    border-radius: 5px;
    background: #495BC3;
    color: #fff;
}

.notify {
    color: #fff;
    text-align: center;
    margin: 0 auto;
    background: #222436;
    margin-top: 20px;
    border-radius: 15px;
    padding: 5px 20px;
    display: none;
}

.notify-section {
    width: 35%;
    margin: 0 auto;
}

.action-left {
    color: #FF3C5F;
    margin-top: 10px;
}