main.css

/* Removendo os botões de aumento e diminuição dos inputs de número */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Estilos globais para a página */
* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    font-family: 'Handlee', cursive;
}

/* Estilos para o cabeçalho */
header {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 16px;
    background-color: #25d366; /* Verde do WhatsApp */
    border-top-left-radius: 50px;
    border-top-right-radius: 50px;
    height: 100px;
}

header h1 {
    font-size: 40px;
    text-decoration: underline solid 2px #fff; /* Branco */
    text-underline-offset: 5px;
    color: #fff; /* Branco */
}

header img {
    height: 100px;
    width: 100px;
}

header h1, 
header h3 {
    text-decoration: underline solid 2px #fff; /* Branco */
    text-underline-offset: 5px;
    color: #fff; /* Branco */
}

/* Estilos para o contêiner principal */
.container {
    max-width: 1204px;
    height: 100%;
    margin: 0 auto;
    background-color: #fff; /* Branco */
    border-radius: 10px; /* Bordas arredondadas */
    align-items: center;
}

/* Estilos para o corpo da página */
body {
    padding-top: 100px;
}

/* Estilos para o formulário */
#formulario {
    border-bottom: 2px solid #25d366; /* Verde do WhatsApp */
    border-top: 2px solid #25d366; /* Verde do WhatsApp */
    width: 100%;
    background-color: #25d366; /* Verde do WhatsApp */
    height: 65px;
    display: flex;
    justify-content: space-between;
}

form input {
    font-size: 18px;
    border: 2px solid #000; /* Preto */
    border-radius: 10px; /* Bordas arredondadas */
    padding: 7px;
    margin: 10px 15px;
    width: 200px;
    background-color: #fff; /* Branco */
}

#inputCor {
    width: 50px;
    border-radius: 10px; /* Bordas arredondadas */
}

form button {
    font-family: 'Nanum Brush Script', cursive;
    font-size: 20px;
    border-radius: 10px; /* Bordas arredondadas */
    min-width: 100px;
    margin: 3px 15px;
    padding: 5px;
    background-color: #25d366; /* Verde do WhatsApp */
    font-weight: bold;
}

form button:hover {
    cursor: pointer;
    background-color: #25d366ba; /* Verde do WhatsApp com transparência */
    border-radius: 10px; /* Bordas arredondadas */
}

/* Estilos para a tabela */
table {
    font-family: 'Nanum Brush Script', cursive;
    width: 100%;
    font-size: 24px;
    justify-content: space-between;
    align-items: center;
}

table th {
    border-bottom: 2px solid #040101;
    padding: 16px;
    border-radius: 10px; /* Bordas arredondadas */
}

table td {
    padding: 16px 0px;
    text-align: center;
    font-size: 20px;
    border-bottom: 2px solid #040101;
    font-family: 'Handlee', cursive;
    border-radius: 10px; /* Bordas arredondadas */
}

/* Estilos para o rodapé */
footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px;
    background-color: #8FE0D4;
    border-radius: 10px; /* Bordas arredondadas */
}

footer button {
    font-family: 'Nanum Brush Script', cursive;
    font-size: 18px;
    border-radius: 10px; /* Bordas arredondadas */
    width: 200px;
    background-color: #25d366; /* Verde do WhatsApp */
    padding: 8px;
}

footer button:hover {
    cursor: pointer;
    background-color: #ff6961;
    border-radius: 10px; /* Bordas arredondadas */
}

footer span {
    text-decoration: underline 2px;
    font-size: 20px;
    font-family: 'Nanum Brush Script', cursive;
    font-weight: bold;
}

/* Classes de fontes (não tenho informações sobre as fontes "handmade" e "brusher") */
.fontes {
    font-family: handmade;
    font-family: brusher;
}