* {
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: aliceblue;
}

.headerSign {
    text-align: center;
}

main {
    max-width: 90%;
    width: 90%;
    margin: auto;
    padding: 40px;
}

.formulario {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.fomrulario_label {
    display: block;
    font-weight: 700;
    padding: 10px;
    cursor: pointer;
}

.formulario_grupo-input {
    position: relative;
}

.formulario_input {
    width: 100%;
    background: #fff;
    border: 3px solid transparent;
    border-radius: 3px;
    height: 45px;
    line-height: 45px;
    padding: 0 40px 0 10px;
    transition: .3s ease all;
}

.formulario_input:focus {
    border: 3px solid #0075ff;
    outline: none;
    box-shadow: 3px 0px 30px rgba(163,163,163, 0.4);
}

.form_mensaje_error,
.formulario_grupo-btn-enviar {
grid-column: span 2;
}

.form_mensaje_error {
    height: 45px;
    line-height: 45px;
    background: #f66060;
    padding: 0 15px;
    border-radius: 3px;
    display: none;
}

.formulario_mensaje-activo {
    display: block;
}

.form_mensaje_error p {
    margin: 0;
}

.formulario_grupo-btn-enviar {
    display: flex;
    flex-direction: column;
}

.formulario_btn {
    height: 45px;
    line-height: 45px;
    width: 30%;
    background: #000;
    color: #fff;
    font-weight: bold;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: .1s ease all;
}

.formulario_btn:hover {
    box-shadow: 3px 0px 30px rgba(163,163,163, 1);
}

.formulario_mensaje-exito {
    font-size: 14px;
    color: #119200;
    display: none;
}

.formulario_mensaje-exito-activo {
    display: block;
}