*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}
body{
    background: rgb(85, 245, 208);
    display: flex;
    min-height: 100vh;
    padding-left: 10px;
}

form{
    margin: auto;
    max-width: 400px;
    background: #0fb5b5;
    padding: 30px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    width: 70%;
}
h3{
    text-align: center;
    margin-bottom: 10px;
    color: #0a072d;  /* es el color de la letra Inicio de Sesión */
}

input{
    display: block;
    padding: 10px;
    width: 100%;
    margin: 20px 0;
    font-size: 15px;
    opacity: 0.6;
}

input[type="submit"]{
    background: linear-gradient(#8cfcc7, #7dddf5); /* es el color del botón Ingresar */
    border: 0;
    font-weight: bold;
    color: rgb(6, 6, 59);
    opacity: 0.8;
    cursor: pointer;
    border-radius: 20px;
    margin-bottom: 0;
}
input[type="submit"]:hover{
    opacity: 1;
}
input[type="submit"]:active{
    transform: scale(0.95);
}

@media (max-width:768px){
    form{
        width: 75%;
    }
}
@media (max-width:480px){
    form{
        width: 95%;
    }
}