*{
    box-sizing: border-box;
}

:root{

}

body{
    padding: 0px;
    margin: 0px;
    background-color: gainsboro;
    color: rgb(24, 24, 24);
    font-family: Arial, Helvetica, sans-serif;
}

header{
    background-color:  rgb(24, 24, 24);
    color: white;
    text-align: center;
    padding: 25px;
}

header fieldset{
    border-radius: 5px;
    border: 1px solid gainsboro;
    width: 90%;
    margin: auto;
    padding: 10px;
}

main{
    width: 80%;
    border-radius: 10px;
    margin: auto;
    padding: 10;
    margin-top: 20px;
    background-color: white;
    padding: 15px;
}


main ul{
    list-style: none;
    padding: 0px;
    margin: 0px;
}

main ul li{
    padding: 10px;
    border-bottom: 1px solid rgb(24, 24, 24);
    color: rgb(24, 24, 24);
}

main ul li i{ 
    margin-right: 25px;
}

.enlinea{
    display: inline;
}

.input70{
    width: 70%;
    border: 0px;
}

@media screen and (max-width: 640px) {
    main{
        width: 99%;
        padding: 5px;
    }
    main ul li i{ 
        margin-right: 8px;
    }
}