*{
    box-sizing: border-box;
}

:root{

}

body{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    margin: 0px;
    padding: 0px;
}

header{
    background-color: cornflowerblue;
    text-align: center;
    height: 80px;
    padding-top: 25px;
}

header input, header select{
    font-size: 1.4em;
}

header input[type=submit]{
    background-color: rgb(37, 84, 172);
    color: aliceblue;
    border: 0px;
    padding: 6px;
    padding-left: 15px;
    padding-right: 15px;
    border-radius: 3px;
}

main{
    padding: 30px;
}

main section{
    display: grid;
    grid-template-columns: 25% 25% 25% 25%;
    margin-bottom: 20px;
}

main section div{
    text-align: right;
    padding: 25px;
    margin: 10px;
    border: 1px solid cornflowerblue;
    border-radius: 10px;
    font-size: 2em;
}

main section div input{
    font-size: 1.3em;
    text-align: right;
    max-width: 45%;
    display: inline-block;
}

.botones{
    display: block;
    width: auto;
    margin: auto;
    background-color: rgb(37, 84, 172);
    color: aliceblue;
    border: 0px;
    padding: 15px;
    padding-left: 25px;
    padding-right: 25px;
    border-radius: 3px;
    font-size: 2em;
}

.ok{
    background-color: beige;
}

.ko{
    background-color: hotpink;
}