:root{
    --colorTextos:#49454567;

}

*,
::before,
::after{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    font-family: 'Roboto';
    background: #4568DC; 
    /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #B06AB3, #4568DC);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #B06AB3, #4568DC); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    height: 650px;
    display: flex;
    justify-content: center;
    align-items: center;
}
h1{
    text-align: center;
    font-weight: 700;
}

form{
    background-color: #fff;
    padding: 40px 0;
    box-shadow: 0 0 6px 0 rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    margin-top: 200px;
}

.form{
    width: 100%;
    margin: auto;
}

form .grupo{
    position: relative;
    margin: 45px;
}

input{
    background: none;
    color: #c6c6c6c6;
    font-size: 18px;
    padding: 10px 10px 10px 5px;
    display: block;
    border: none;
    border-bottom: 1px solid var(--colorTextos);
}

input:focus{
    outline: none;
    color: #5e5d5d;
}

label{
    color: var(--colorTextos);
    font-size: 16px;
    position: absolute;
    bottom: 0;
    left: 5px;
    top: 10px;
    transition: 0.4s ease all;
    pointer-events: none;
}

input:focus~label,
input:valid~label{
    top:-14px;
    font-size: 12px;
    color: #2196f3;
}
.barra{
    position: relative;
    display: block;
    width: 100%;
}
.barra::before{
    content: "";
    height: 2px;
    width: 0%;
    bottom: 0;
    position: absolute;
    background: linear-gradient(to right, #B06AB3, #4568DC);
    transition: 0.3s ease width;
    left: 0;
}
input:focus~.barra::before{ 
    width: 100%;
}

.warnings{
    width: 200px;
    text-align: center;
    margin: auto;
    color: tomato;
    padding-top: 20px;
}
/*    Fomulario mensaje */
.formulario__mensaje{
    height: 45px;
    max-width: 250px;
    line-height: 45px;
    background: #F66060;
    padding: 0 15px;
    border-radius: 3px;
    margin-left: 32px;
    display: none;

}

.formulario__mensaje p{
    margin: 0;
}

.formulario__mensaje-activo{
    display: block;
}

button{
    font-family: 'Roboto';
    background: #4568DC; 
    /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #B06AB3, #4568DC);
    /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #B06AB3, #4568DC);
     /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    border: none;
    display: block;
    width: 80%;
    margin: 10px auto;
    color: white;
    height: 40px;
    font-size: 16px;
    cursor: pointer;
    }
@media screen and (max-width:500px){
    form{
        width: 80%;
    }
}