style.css

body {
    font-family: "Open Sans", sans-serif;
    text-align: center;
    color: whitesmoke;
}

div{
    background-image: linear-gradient(120deg, lightseagreen, lightskyblue);
    border: 3px inset black;
    display: inline-block;
    width: 60%;
    margin: 5vh 0;
    padding: 1vh;
}

div:hover{
    background-image: linear-gradient(120deg, steelblue, lightskyblue);
}

#top{
    font-weight: 800;
    font-size: 5vw;
    text-shadow: 1px 1px 5px grey;
}

h2{
    font-size: 3vw;
    font-weight: 600;
    text-shadow: 1px 1px 3px darkslategray;
}

p{
    text-shadow: 1px 1px 3px darkslategray;
    font-weight: 300;
    font-size: 2vw;
}

span{
    font-weight: 600;
}

@media only screen and (max-width: 1000px) {
    div{
        width: 85%;
    }
    h2{
        font-size: 4vw;
    }
    p{
        font-size: 3vw;
    }
    #top{
        font-size: 6vw;
    }
}

@media only screen and (max-width: 700px) {
    div{
        margin-top: 3vh;
    }
    h2{
        font-size: 5vw;
    }
    p{
        font-size: 6vw;
    }
    #top{
        font-size: 10vw;
    }
}