* {
    box-sizing: block;
}

body {
    background-color: #262a2b;
    padding: 0px;
    margin: 0px;
    font-family: Arial, Helvetica, sans-serifs;
}

header {
    background-color: #262a2b;
    text-align: center;
    padding: 25px;
}

header form {
    align-items: center;
    display: block;
}

header form select{
    background-color: white; 
}

header form select option{
    background-color: #939899;
    font-style: italic;
    
}



header input {
    background-color: White;
}

main {
    border: 3px solid white;
    background-color: #262a2b;
    padding: 15px;
    margin: 70px;
}

main ul {
    background-color: white;
    list-style: none;
    padding: 0px;
    margin: 0px;
    padding: 20px;
    border-radius: 6x;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    gap: 25px;
}

main ul li {
    border-radius: 7px;
    padding: 10px;
}

main ul li hr {
    border: 1px solid #262a2b;
}

main ul li p {
    text-align: right;
    font-size: 1em;
}

main ul li p input {
    text-align: right;
    max-width: 55px;
    font-size: 1.1em;
    padding: 6px;
}

main div {
    text-align: right;
    padding: 10px;
    padding-right: 100px;
}

main div input[type="submit"] {
    background-color: white;
    color: #262a2b;
    border: 0px;
    border-radius: 3px;
    padding: 6px;
    margin-top: 15px;
    font-size: 1em;
}

main div input:hover{
    background-color: #262a2b;
    color: white;
}

.ok {
    background-color: rgb(210, 233, 210);
}

.ko {
    background-color: rgb(230, 202, 202);
}

@media (max-width: 700px) {
    main ul {
        grid-template-columns: 1fr;
    }
}