Circular Navigation

HTML:

<div class="component">
        <?php echo "<h2>$pagetitle</h2>"; ?>
        <!-- Start Nav Structure -->
        <button class="cn-button" id="cn-button">Menu</button>
        <div class="cn-wrapper" id="cn-wrapper">
            <ul>
                <li><a href="./test.php"><span><i class="fas fa-3x fa-hand-holding-usd"></i></span></a></li>
                <li><a href="#"><span><i class="fas fa-3x fa-users"></i></span></a></li>
            </ul>
        </div>
        <!-- End of Nav Structure -->
    </div>


CSS:

* {
    position: relative;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    list-style: none;
}

html,
body {
    height: 100%;
}

body {
    background: #52be7f;
    color: #fff;
}

.component {
    position: relative;
    margin-bottom: 3em;
    height: 15em;
    background: rgba(0,0,0,0.05);
    font-family: 'Lato', Arial, sans-serif;
}

.component > h2 {
    position: absolute;
    overflow: hidden;
    width: 100%;
    text-align: center;
    text-transform: uppercase;
    white-space: nowrap;
    font-weight: 300;
    font-style: italic;
    font-size: 12em;
    opacity: 0.1;
    cursor: default;
}

.cn-button {
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 11;
    margin-top: -2.25em;
    margin-left: -2.25em;
    padding-top: 0em;
    width: 4.5em;
    height: 4.5em;
    border: none;
    border-radius: 50%;
    background: none;
    background-color: #fff;
    color: #52be7f;
    text-align: center;
    font-weight: 700;
    font-size: 1.5em;
    text-transform: uppercase;
    cursor: pointer;
    -webkit-backface-visibility: hidden;
}

.csstransforms .cn-wrapper {
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 10;
    margin-top: -13em;
    margin-left: -13.5em;
    width: 27em;
    height: 27em;
    border-radius: 50%;
    background: transparent;
    opacity: 0;
    -webkit-transition: all .3s ease 0.3s;
    -moz-transition: all .3s ease 0.3s;
    transition: all .3s ease 0.3s;
    -webkit-transform: scale(0.1);
    -ms-transform: scale(0.1);
    -moz-transform: scale(0.1);
    transform: scale(0.1);
    pointer-events: none;
    overflow: hidden;
}

/*cover to prevent extra space of anchors from being clickable*/
.csstransforms .cn-wrapper:after{
  content:".";
  display:block;
  font-size:2em;
  width:6.2em;
  height:6.2em;
  position: absolute;
  left: 50%;
  margin-left: -3.1em;
  top:50%;
  margin-top: -3.1em;
  border-radius: 50%;
  z-index:10;
  color: transparent;
}

.csstransforms .opened-nav {
    border-radius: 50%;
    opacity: 1;
    -webkit-transition: all .3s ease;
    -moz-transition: all .3s ease;
    transition: all .3s ease;
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    transform: scale(1);
    pointer-events: auto;
}

.csstransforms .cn-wrapper li {
    position: absolute;
    top: 50%;
    left: 50%;
    overflow: hidden;
    margin-top: -1.3em;
    margin-left: -10em;
    width: 10em;
    height: 10em;
    font-size: 1.5em;
    -webkit-transition: all .3s ease;
    -moz-transition: all .3s ease;
    transition: all .3s ease;
    -webkit-transform: rotate(76deg) skew(60deg);
    -moz-transform: rotate(76deg) skew(60deg);
    -ms-transform: rotate(76deg) skew(60deg);
    transform: rotate(76deg) skew(60deg);
    -webkit-transform-origin: 100% 100%;
    -moz-transform-origin: 100% 100%;
    transform-origin: 100% 100%;
    pointer-events: none;
}

.csstransforms .cn-wrapper li a {
    position: absolute;
    right: -7.25em;
    bottom: -7.25em;
    display: block;
    width: 14.5em;
    height: 14.5em;
    border-radius: 50%;
    background: #429a67;
    background: -webkit-radial-gradient(transparent 35%, #429a67 35%);
    background: -moz-radial-gradient(transparent 35%, #429a67 35%);
    background: radial-gradient(transparent 35%, #429a67 35%);
    color: #fff;
    text-align: center;
    text-decoration: none;
    font-size: 1.2em;
    line-height: 2;
    -webkit-transform: skew(-60deg) rotate(-75deg) scale(1);
    -moz-transform: skew(-60deg) rotate(-75deg) scale(1);
    -ms-transform: skew(-60deg) rotate(-75deg) scale(1);
    transform: skew(-60deg) rotate(-75deg) scale(1);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    pointer-events: auto;
}

.csstransforms .cn-wrapper li a span {
    position: relative;
    top: 1.8em;
    display: block;
    font-size: .5em;
    font-weight: 700;
    text-transform: uppercase;
}

.csstransforms .cn-wrapper li a:hover,
.csstransforms .cn-wrapper li a:active,
.csstransforms .cn-wrapper li a:focus {
    background: -webkit-radial-gradient(transparent 35%, #449e6a 35%);
    background: -moz-radial-gradient(transparent 35%, #449e6a 35%);
    background: radial-gradient(transparent 35%, #449e6a 35%);
}
.csstransforms .cn-wrapper li a:focus {
    position: fixed; /* fix the displacement bug in webkit browsers when using tab key */
}

.csstransforms .opened-nav li {
    -webkit-transition: all .3s ease .3s;
    -moz-transition: all .3s ease .3s;
    transition: all .3s ease .3s;
}

.csstransforms .opened-nav li:first-child {
    -webkit-transform: rotate(-20deg) skew(60deg);
    -moz-transform: rotate(-20deg) skew(60deg);
    -ms-transform: rotate(-20deg) skew(60deg);
    transform: rotate(-20deg) skew(60deg);
}

.csstransforms .opened-nav li:nth-child(2) {
    -webkit-transform: rotate(12deg) skew(60deg);
    -moz-transform: rotate(12deg) skew(60deg);
    -ms-transform: rotate(12deg) skew(60deg);
    transform: rotate(12deg) skew(60deg);
}

.csstransforms .opened-nav  li:nth-child(3) {
    -webkit-transform: rotate(44deg) skew(60deg);
    -moz-transform: rotate(44deg) skew(60deg);
    -ms-transform: rotate(44deg) skew(60deg);
    transform: rotate(44deg) skew(60deg);
}

.csstransforms .opened-nav li:nth-child(4) {
    -webkit-transform: rotate(76deg) skew(60deg);
    -moz-transform: rotate(76deg) skew(60deg);
    -ms-transform: rotate(76deg) skew(60deg);
    transform: rotate(76deg) skew(60deg);
}

.csstransforms .opened-nav li:nth-child(5) {
    -webkit-transform: rotate(108deg) skew(60deg);
    -moz-transform: rotate(108deg) skew(60deg);
    -ms-transform: rotate(108deg) skew(60deg);
    transform: rotate(108deg) skew(60deg);
}

.csstransforms .opened-nav li:nth-child(6) {
    -webkit-transform: rotate(140deg) skew(60deg);
    -moz-transform: rotate(140deg) skew(60deg);
    -ms-transform: rotate(140deg) skew(60deg);
    transform: rotate(140deg) skew(60deg);
}

.csstransforms .opened-nav li:nth-child(7) {
    -webkit-transform: rotate(172deg) skew(60deg);
    -moz-transform: rotate(172deg) skew(60deg);
    -ms-transform: rotate(172deg) skew(60deg);
    transform: rotate(172deg) skew(60deg);
}

.no-csstransforms .cn-wrapper {
    overflow: hidden;
    margin: 10em auto;
    padding: .5em;
    text-align: center;
}

.no-csstransforms .cn-wrapper ul {
    display: inline-block;
}

.no-csstransforms .cn-wrapper li {
    float: left;
    width: 5em;
    height: 5em;
    background-color: #fff;
    text-align: center;
    font-size: 1em;
    line-height: 5em;
}

.no-csstransforms .cn-wrapper li a {
    display: block;
    width: 100%;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.no-csstransforms .cn-wrapper li a:hover,
.no-csstransforms .cn-wrapper li a:active,
.no-csstransforms .cn-wrapper li a:focus {
    background-color: #f8f8f8;
}

.no-csstransforms .cn-wrapper li.active a{
    background-color: #6F325C;
    color: #fff;
}

.no-csstransforms .cn-button {
    display: none;
}

@media only screen and (max-width: 620px) {
    .no-csstransforms li {
        width: 4em;
        height: 4em;
        line-height: 4em;
    }
}

@media only screen and (max-width: 500px) {
    .no-ccstransforms .cn-wrapper {
        padding: .5em;
    }

    .no-csstransforms .cn-wrapper li {
        width: 4em;
        height: 4em;
        font-size: .9em;
        line-height: 4em;
    }
}

@media only screen and (max-width: 480px) {
    .csstransforms .cn-wrapper {
        font-size: .68em;
    }

    .cn-button {
        font-size: 1em;
    }
}

@media only screen and (max-width:420px) {
    .no-csstransforms .cn-wrapper li {
        width: 100%;
        height: 3em;
        line-height: 3em;
    }
}

span.weak {
    font-weight: lighter;
}