.formulario {
    width: 500px;
    max-width: 100%;
    margin: auto;
    margin-top: 30px;
    margin-bottom: 30px;
    padding: 20px;
    box-shadow: 0 0 20px 1px;
    border-radius: 10px;
    background: rgba(152,152,152,0.3);
    border: 2px solid white;
    position: relative;
    color: white;
}

.formulario_titulo {
    text-align: center;
    margin-top: 0;
    color: rgba(0,0,0,0.7);
    color: aliceblue;
}

.formulario_input, .formulario_label, .formulario_submit {
    display: flex;
    width: 100%;
    font-size: 1.3em;
}

.formulario_input {
    padding: 20px;
    background: rgba(255,255,255,0.7);
    border: 1px solid rgba(0,0,0,0.3);
    margin-bottom: 40px;
}
.formulario_input:focus {
    outline: 1px solid rgba(0,0,0,0.9);    
}
.formulario_input:focus + .formulario_label {
    margin-top: -135px;   
}

.textarea_100 {
    width: 100%;
    height: 70px;
    padding: 20px;
    background: rgba(255,255,255,0.7);
    border: 1px solid rgba(0,0,0,0.3);
    margin-bottom: 40px;
    resize: none;
}

.formulario_label {
    padding-left: 15px;
    position: absolute;
    margin-top: -85px;
   z-index: -20;
    color: white;
    transition: all 0.3s;
}
.formulario_label_textarea {
    padding-left: 15px;
    position: absolute;
    margin-left: -455px;
    margin-top: -30px;
    font-size: 1.3em;
  
    color: white;
    transition: all 0.3s;
}

.formulario_submit {
    background: white;
    color: black;
    text-align: center;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    cursor: pointer;
    border-radius: 10px;
    padding: 10px;
}

.formulario_submit:hover {
    transform: scale(101%);
}

.fijar {
    margin-top: -135px;
}