form {
    position: relative;
    width: 300px;
    margin: auto;
    }
    
    input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 2px solid #333;
    border-radius: 5px;
    }
    
    button {
    position: absolute;
    right: -50px;
    width: 50px;
    height: 42px;
    border: none;
    background-color: #333;
    color: white;
    }