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

.centro{
    margin-left: 520px;
    margin-top: 180px;
}

.formulario{
    display: grid;
    grid-template-columns: 1fr 2fr;
    width: 100px;
    gap: 15px;
}


input {border: 0px;
    border-bottom: solid 1px }
    input:focus { border: solid 1px limegreen;
    outline: none
    }
    
    input:hover { border: solid 1px red}