body{
    min-height: 100%;
    background: #fff;
    line-height: 1.3em;
    font-family: Arial, Helvetica, Sans-Serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
header{
    margin: 0 auto;
    margin-top: 2%;
    text-align: center;
    max-width: 350px;
}
main{
    box-sizing:content-box;
    flex: 1;
    margin: 0 auto;
    margin-top: 6vh;
    padding: 0 5%;
    max-width: 350px;
    text-align: center;
}
footer{
    margin: 0 auto;
    margin-top: 4%;
    margin-bottom: 30px;
    max-width: 600px;
    text-align: center;
}
footer img{
    margin: 0 auto;
    max-width: 50px;
}
footer h3{
    margin-top: 8px;
    font-size: 1.15rem;
    letter-spacing: -1px;
    line-height: 0.9;
}
footer h4{
    margin-top: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1;
}
footer p{
    margin-top: 40px;
    font-size: 0.7rem;
}
a{
    color: #000;
    text-decoration: none;
}
a:hover{
    color:#cc0000;
}