style.css

body {
  margin: 2em;
  background-color: #44545c;
}

.header img {
  float: left;
  top: 10px;
  width: 60px;
  height: 60px;
  padding-bottom: 40px;
}

aside {
  background: #4dbfa9;
  padding: 0.3em 1em;
  border-radius: 3px;
  color: #fff;
  margin-bottom: 2em;
}

textarea {
  width: 100%;
}

.content-head {
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 2em 0 1em;
}

.is-center {
  text-align: center;
}

.button-success {
  color: white;
  border-radius: 4px;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
  background: rgb(28, 184, 65);
  /* this is a green */
}

.tooltiptext {
  visibility: hidden;
  background-color: #4dbfa9;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  font-size: 15px;
  right: 135px;

  /* Position the tooltip */
  position: absolute;
  z-index: 1;
}

.button-success:hover .tooltiptext {
  visibility: visible;
}

.button-xlarge {
  font-size: 125%;
}

button {
  float: right;
}

#name,
#email {
  width: 50%;
}

.honeypot-field {
  display: none;
}

.form-container {
  background: rgba(255, 255, 255, 0.8);
  width: 700px;
  display: inline-block;
  padding: 0px 35px 20px 35px;
}