*{
    font-family: 'Roboto', sans-serif;
    font-weight: 200;
    margin: 0;
    padding: 0;
}
header {
    height: 15vh;
    width: 100vw;
    display: flex;
    align-items: center;
    position: fixed;
    z-index: 100;
    background-color: #fff;
    border-bottom: 1px solid #eeeeee;
}

.logo {
    height: 10vh;
    width: auto;
    margin: 2vh 5vw 2vh 2vw;
}

.logo:hover{
    cursor: pointer;
}

#main-section{
    height: auto;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    background-color: #2abda1;
    padding: 15vh 5vw 15vh 5vw
}
#head-title{
    margin: 5vh 0vw 0vw 0vw;
}
#headline{
    height: auto;
    width: 35vw;
    margin: 5vh
}
h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #fff;
}

h1{
    font-size: 4rem;
    color: #1d3a4b;
    font-weight: bold;
    text-align: left;
}
h3{
    margin-top: 2vh;
    font-size: 1.8rem;
    font-weight: 400;
    color: #fff;
}

#main-illustration{
    height: 50vh;
    width: 35vw;
}

.flex-h{
    display: flex;
    flex-direction: row;
}
.flex-v{
    display: flex;
    flex-direction: column;
}
.item-beetween{
    justify-content: space-between;
}
footer{
    margin: 5vh 5vw 5vh 5vw;
    text-align: center;
}
#google-play-ad{
    margin-top: 2vh;
    width: 30vw;
}

@media (max-width: 900px) {
    .logo {
        height: auto;
        width: 80vw;
        margin: 2vh 5vw 2vh 2vw;
    }
    h2{
        font-size: 1.5rem
    }
    h1{
        font-size: 3rem;
    }
    h3{
        font-size: 1.4rem;
    }
    #headline{
        width: 85vw;
        height: auto;
        margin: 5vh 2vw;
    }
    article{
        width: 90vw;
        height: auto;
    }
    #container-flex-h{
        flex-direction: column;
    }
    #main-illustration{
        display: none;
    }
    #main-section{
        height: 70vh;
    }
    #google-play-ad{
        margin-top: 2vh;
        width: 75vw;
    }
}
@media (max-width: 500px) {
    h1{
        font-size: 2.5rem;
    }
}