.holder{
    margin-top: 50px;
    padding: 20px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: purple;
    width: 300px;
    height: 30%;
    margin-left: auto;
    margin-right: auto;
}

.tip{
    p{
        color: black;
        margin: 0px;
    }
}

h1{
    font-size: 40px;
    font-weight: normal;
    margin-bottom: 30px;
    color: white;
}

p{
    font-size: 20px;
    margin-top: 20px;
    margin-bottom: 5px;
    color: white;
}

input{
    font-size: 20px;
    font-family: Arial, Helvetica, sans-serif;
}

button{
    font-size: 30px;
    padding: 10px;
    border-radius: 10px;
    background-color: green;
    margin-top: 30px;
    color: white;
    cursor: pointer;
}
button:hover{
    background-color: lightgreen;
}

h2{
    font-weight: normal;
    font-family: Arial, Helvetica, sans-serif;
    margin-top: 30px;
    user-select: all;
    color: white;
}