style.css

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

body{
    width: 100%;
    height: 100%;
}

.contain{
    width: 100%;
    height: 100%;
    background-color: yellow;
    padding: 50px 50px 50px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 10px solid black;
}

.main{
    width: 80%;
    height: 80%;
    background-color: yellowgreen;
    border-radius: 10px;
    padding: 200px;
}

#publickey{
    font-size: 50px;
    margin: 10px;
    border-radius: 10px;
    border: none;
}
#amount{
    font-size: 50px;
    margin: 20px;
    border-radius: 10px;
    border: none;
}
#tokenType{
    font-size: 50px;
    margin: 20px;
    border-radius: 10px;
    border: none;
}
button{
    font-size: 50px;
    padding: 20px;
    border-radius: 10px;
}
label{
    font-size: 50px;
}

#loadingMessage{
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}


#successMessage {
    background-color: #d4edda;
    color: #155724;
}
#errorMessage {
    background-color: #f8d7da;
    color: #721c24;
}