* {margin: 0; padding: 0; box-sizing: border-box;}
body {
    font-family: sans-serif;
    color: #333;
}
.container {
    width: calc(100% - 16px);
    max-width: 480px;
    margin: 0 auto;
    padding-top: 16px;
}
nav {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
}
nav > div {
    display: flex;
    gap: 5px;
}
.fa-octopus-deploy {
    color: #f50967;
}
.fa-line {
    color: lime;
}
h1 {
    font-size: 20px;
    font-weight: normal;
}
.err {
    font-size: 14px;
    color: #f50967;
}
label {
    width: 100%;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}
label > span {
    width: 24px;
}
input {
    width: 0;
    flex: 1;
}
textarea {
    width: 100%;
    vertical-align: bottom;
    margin-bottom: 8px;
}
input, textarea, button, .btns a  {
    color: #333;
    font-size: 16px;
    background: #fff;
    border: 1px solid #333;
    border-radius: 3px;
    padding: 5px;
}

.name, .email, .message {
    margin-bottom: 8px;
}
.item {
    color: #4285f4;
}
.btns {
    display: flex;
    gap: 16px;
}
.btns a {
    text-decoration: none;
}
button, .btns a {
    padding: 5px 30px;
    cursor: pointer;
    box-shadow: 2px 2px 2px rgba(0,0,0,.5);
}
button:active, .btns a:active {
    position: relative;
    top: 2px;
    box-shadow: 0px 0px 0px rgba(0,0,0,.5);
}

.result {
    text-align: center;
}