html, body {height: 100%;width: 100%;}

body {
    background: linear-gradient(to top, #32aa7d, #4daea9);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 0;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.header {
    padding: 10px;
    font-weight: 600;
    font-size: 28px;
    color: #94cfcb;
}

.header2 {
    color: #fff;
    font-size: 16px;
    padding: 10px;
    padding-top: 0;
    font-weight: 600;
}

.line {
    width: 20px;
    height: 2px;
    background: #fff;
}

form {
    padding: 10px;
}

.field {
    width: 100%;
    background: transparent;
    border: 0;
    border-bottom: 2px solid #7dc6ba;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    padding: 10px;
    padding-left: 0;
    margin-bottom: 15px;
    z-index: 0;
}

.field:focus {
    width: 100%;
    background: transparent;
    border: 0;
    border-bottom: 2px solid #fff;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    padding: 10px;
    padding-left: 0;
    margin-bottom: 15px;
}

.button {
    width: 100px;
    padding: 3px;
    border: 0;
    border-radius: 15px;
    color: #fff;
    background: #68bbaf;
    float: right;
    font-weight: 600;
    margin-top: -55px;
    z-index: 9;
    position: relative;
}

.error {
    border-color: #f00;
}

h6 {
    color: #fff;
    display: inline;
    font-size: 12px;
}