img{
    border: 0;
}

a{
    font-family: 'Open Sans', sans-serif;
    font-weight: 600;
    color: darkblue;
}
a:link{
    font-family: 'Open Sans', sans-serif;
    font-weight: 600;
    color: darkslategray;
}

.align-logo{
    margin: 50px auto;
}

.txt_01{
    font-family: 'Open Sans', sans-serif;
    font-size: 2em;
    font-weight: 300;
    color: black;
}