html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    text-align: center;
    margin: 0 auto;
}

body.bg-main {
    background: transparent url(bg.jpg) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;

}

img {
    max-width: 100%;
}

h1 {
    font-size: 24px;
    margin: 0;
    color: #fff;
    font-family: Helvetica, sans-serif;
    font-weight: 600;
    line-height: 1.4;
}

h2 {
    font-size: 22px;
    line-height: 1.4;
    color: #fff;
    font-family: Helvetica, sans-serif;
    font-weight: 300;
    padding: 0;
    margin: 0;
}

p {
    font-size: 16px;
    color: #444;
    font-family: Helvetica, serif;
    font-weight: 400;
    margin: 0;
    line-height: 1.4;
    margin-bottom: 16px;
}

a {
    text-decoration: none;
    /* CHANGE # BELOW FOR LINK COLOR */
    color: #0072bc;
}
.flex {
    display: flex;
}
.flex-column {
    flex-direction: column;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.align-center {
    align-items: center;
}
a:hover {
    /* CHANGE # BELOW FOR LINK COLOR */
    border-bottom: 1px solid #0072bc;
}
.text-black {
    color: black;
}

.text-center {

}
.left50 {
    width: 50%;
    height: 100%;
    margin: 0 auto;
    position: fixed;
    text-align: left;
    float: left;
    /* INSERT YOUR IMAGE URL AND REPLACE THE LINK BELOW */
}

.right50 {
    width: 50%;
    height: 100%;
    margin: 0 auto;
    text-align: left;
    float: right;
    position: relative;
    border: 3px solid #000;
}
.padding {
    padding: 1rem;
}
.inner {
    margin: 100px 15%;
}

@media (max-width: 768px) {
    .left50 {
        width: 100%;
        height: 50vh;
        position: relative;
        background: #000 url(liuswok_bg.jpg) no-repeat center center;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
    }

    .right50 {
        width: 100%;
        height: 50vh;
        border: none;
    }

    .inner {
        margin: 75px 10%;
    }

    .padding {
        padding: 1rem .5rem;
    }

    .logo {
        height: 10rem;
    }
}