style.css

body {font-family: Arial;}

table {
  display: table;
}

.intro-header {
  border-radius: 10px;
  background-color: #6d60a9;
  box-shadow: 5px 5px 15px -5px #444;
  color: #fff;
}

.footer {
    width: 100%;
    background-color: #4a3c89;
    text-align: center;
    color: white;
    padding: 10px 20px;
    border-radius: 10px;
    box-shadow: 5px 5px 15px -5px #444;
}

.footer a {
  color: #c8c3dc;
}

.footer a:hover {
  color: #aea7cc;
}

/* Help panel */
.help-panel {
  margin-top: 10px;
  color: #333;
  display: inline-block;
}

.help-panel > * {
    display: inline-block;
    padding: 1px 10px;
    position: relative;
    float: left;
    color: #333;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.help-panel > a {
    touch-action: manipulation;
    cursor: pointer;
    user-select: none;
}

.help-panel > a:hover {
    background-color: #e6e6e6;
    border-color: #adadad;
    text-decoration: none;
    color: #333;
}

.help-panel > *:first-child:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.help-panel > *:not(:first-child):not(:last-child) {
    border-radius: 0;
}

.help-panel *+* {
    margin-left: -1px;
}

.help-panel > .title {
  color: #888;
}

.help-panel > .title > i.fa {
  font-size: 13px;
}