*{
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
}
html,
body{
    background: #f1f1f1;
    font-size: 18px;
    font-family: roboto;
}
.wrapper{
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}
.card{
    -webkit-box-shadow: 0 2px 2px 0 rgba(0,0,0,.14), 0 3px 1px -2px rgba(0,0,0,.12), 0 1px 5px 0 rgba(0,0,0,.2);
    box-shadow: 0 2px 2px 0 rgba(0,0,0,.14), 0 3px 1px -2px rgba(0,0,0,.12), 0 1px 5px 0 rgba(0,0,0,.2);
    background: #fff;
    padding: 15px;
    margin: 15px 10px;
}
.card h2{
    text-align: center;
    padding: 5px 0 10px 0;
}
.card h4{
    text-align: center;
    padding: 5px 0 10px 0;
}

.playstore-logo{
    width: 90%;
    max-width: 400px;
    display: inline-block;
}
.content a{
    display: block;
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}
.content{
    text-align: center;
    margin-bottom: 20px;
}