styles.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
    color: #6d6d6d;
}

.wrapper-app {
    display: grid;
    grid-template-rows: auto 1fr 3em;
    background-color: hsl(0, 0%, 95%);
    min-height: 100vh;
}

.header {
    display: grid;
    position: sticky;
    top: 0;
    background-color: hsl(0, 0%, 90%);
    grid-template-columns: 3fr auto;
    padding: 10px 15vw;
    align-items: center;
}

.header__img {
    width: 40px;
    transition: all .3s;
}

.header__img:hover {
    opacity: .9;
}

.header__ul {
    list-style: none;
}

.header__item-link a, .footer a {
    text-decoration: none;
    color: hsl(206, 99%, 31%);
    transition: all .3s;
    font-weight: bold;
    font-size: 1rem;
}

.header__item-link a:hover, .footer a:hover {
    opacity: .8;
}

.main {
    padding: 10px 15vw;
    max-width: 100vw;
    word-wrap: break-word;
}

.main__policy-titke {
    font-size: 1.6rem;
    margin-bottom: .7em;
}

.main p {
    margin-bottom: 1em;
}

.main__container {
    display: grid;
    grid-template-columns: 2fr 2fr;
    height: 99%;
    padding-bottom: 10px;
    align-items: center;
}

.main__left-content h1 {
    font-weight: 400;
    margin-bottom: 10px;
    color: hsl(206, 99%, 31%);
}

.main__left-content p {
    font-size: 1.2rem;
}

.main__left-content em {
    color: hsl(206, 99%, 31%);
}

.main__right-appImg {
    display: flex;
    justify-content: end;
    margin-top: .5em;
    
}

.main__right-appImg img {
    width: 45%;
    height: 45%;
    box-shadow: 1px 2px 4px 1px rgba(89,84,84,0.26);
    -webkit-box-shadow: 1px 2px 4px 1px rgba(89,84,84,0.26);
    -moz-box-shadow: 1px 2px 4px 1px rgba(89,84,84,0.26);
}

.footer {
    display: grid;
    justify-content: center;
    align-items: center;
    background-color: hsl(0, 0%, 90%);
}

.footer a {
    font-weight: normal;
}

@media only screen and (max-width: 912px) {
    .main__container {
        grid-template-columns: 1fr;
        align-items: baseline;
    }

    .main, .header {
        padding: 1.5em;
    }

    .main__right-appImg img {
        width: 100%;
        height: 100%;
    }

    .main__right-appImg {
        justify-content: center;
    }
}