html {
    font-size: 62.5%;
    height: 100%;
}
body {
    font-size: 1.4rem;
    font-family: 'Varela Round', 'M PLUS Rounded 1c', sans-serif;
    height: 100%;
    color: #535353;
    background-color: #fefffc;
    display: flex;
    flex-direction: column;
}
.header {
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #f4f4f0;
    text-align:center;
}
.header a {
    text-decoration: none;
    color: #82a482;
}
.header-title {
    font-size: 2.6rem;
    font-weight: 100;
    color: #82a482;
}
main {
    flex: 1;
}
.footer {
    margin-top: 7rem;
    padding: 5rem;
    width: 100%;
    background-color: #353535;
}
.twitter {
    color: inherit;
}
.twitter:hover {
    color: #f2f2f2;
}
.hide {
    display: none;
}
.btn,
.form-control {
    font-size: 1.3rem;
}
.logo {

}
.btn-update {
    border-color: #535353;
    background-color: #535353;
    color: #fff;
}
.btn-update:hover {
    border-color: #82a482;
    background-color: #82a482;
    color: #fff;
}
.btn-close {
    border-color: #535353;
    background-color: transparent;
    color: #535353;
}
.btn-close:hover {
    background-color: #535353;
    color: #fff;
}