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

body {
    color : white;
    font-family: 'Roboto', sans-serif;
    background : linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1557683316-973673baf926');   
}

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

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

.container-tip h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.container-tip p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.container-tip button {
    padding: 1rem 1rem;
    font-size: 1rem;
    width: 400px;
    border-radius: 10px;
    background: #f1c40f;
    border: none;
    color: black;
    cursor: pointer;
    margin-bottom: 30px;
}   

.container-tip button:hover {
    background: #f39c12;
}   

.container-tip input[type="number"]{
    padding: 1rem 1rem;
    font-size: 1rem;
    border: none;
    width: 399px;
    border-radius: 10px;
    margin-bottom: 10px;
}