html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
}
header, main, footer .wrapper {
    max-width: 1080px;
    margin: auto;
    padding: 20px;
}
footer {
    margin-top: 100px;
    min-height: 200px;
}
a {
    color: #777777;
}
header h1, header h2 {
    text-align: center;
    font-weight: 100;
    line-height: 1.4em;
}
header img {
    width: 100%;
    margin: 20px auto;
}
footer {
    background: #EEE;
}
footer a {
    color: #111;
    text-decoration: none;
}
.intro {
    font-size: 1rem;
    background: #EEE;
    padding: 20px;
    margin: 0 0 20px;
    border-radius: 2px;
}
.signature {
    display: flex;
}
.signature p {
    flex: 1;
}
.signature img {
    width: 25%;
}
.list-item {
    max-width: 800px;
    margin: 0 auto 80px;
}
.list-item-image {
    filter: grayscale(100%) blur(0.2px);
    min-height: 180px;
}
.list-item img {
    width: 100%;
}
.btn {
    display: inline-block;
    background: red;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 2px;
    font-size: 1.05em;
    text-decoration: none;
    margin: 2px 0;
}
form div {
    margin-bottom: 10px;
    display: flex;
}
label {
    display: inline-block;
    vertical-align: top;
    padding: 10px 0;
    width: 100px;
}
input, textarea {
    font-size: 1em;
    font-family: Arial, Helvetica, sans-serif;
    padding: 10px;
    flex: 1
}
textarea {
    height: 140px;
}
@media only screen and (max-width: 400px) {
    main {
        padding-left: 0;
        padding-right: 0;
    }
    .content {
        padding: 20px;
    }
    form {
    }
    form div {
        display: block;
    }
    label {
        width: 100%;
    }
    input, textarea, button {
        width: 100%;
        box-sizing: border-box;
    }
    .signature {
        display: block;
    }
    .signature img {
        width: 50%;
    }
}
@media only screen and (min-width: 800px) {
    .flex-wrap {
        display: flex;
    }
    .content {
        flex: 1;
    }
    .intro {
        width: 240px;
        margin: 0 20px 0 0;
    }
    .signature {
        display: block;
    }
}