.formulario {
    background: #fff;
    margin-top: 150px;
    padding: 3px;
}

input[type="text"],
input[type="password"] {
    font-size: 18px;
    width: 80%;
    padding: 10px;
    border: none;
}

.input-contenedor {
    margin-bottom: 15px;
    width: 95%;
    border: 1px solid #aaa;
}

.icon {
    min-width: 50px;
    text-align: center;
    color: #999;
}

.button {
    border: none;
    width: 95%;
    color: white;
    font-size: 20px;
    background: #1a2537;
    padding: 15px 20px;
    border-radius: 5px;
    cursor: pointer;
}

.button:hover {
    background: cadetblue;
}

@media screen and (max-width:768px) {
    .formulario {
        margin: auto;
        width: 500px;
        margin-top: 150px;
        border-radius: 2%;
    }
    input[type="text"],
    input[type="password"] {
        font-size: 14px;
    }
    .button {
        font-size: 14px !important;
    }
}