body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #1D90F5;
    min-height: 100vh;
    margin: 0;
    font-family: roboto;
}

body:before {
    content: '';
    background: #E8FAFF;
    height: 50%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.menu {
    display: block;
    box-sizing: border-box;
    background: white;
    height: 87.75px;
    width: 87.75px;
    padding: 32px 20px 20px 20px;
    border-radius: 44px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.15);
    transition: 1.3s cubic-bezier(0.53, 0, 0.15, 1.3);
}

.menu.expanded {
    width: 400px;
    border-radius: 20px;
}

span {
    padding: 9px;
    white-space: nowrap;
    visibility: visible;
    opacity: 1;
    transition: .3s;
    transform: rotateY(0deg);
}

span:nth-of-type(1) {
    transition-delay: .4s;
}

span:nth-of-type(2) {
    transition-delay: .5s;
}

span:nth-of-type(3) {
    transition-delay: .6s;
}

span:nth-of-type(4) {
    transition-delay: .7s;
}

span.hidden {
    width: 0;
    visibility: hidden;
    opacity: 0;
    transform: rotateY(90deg);
}

span.hidden:nth-of-type(1) {
    transition-delay: .3s;
}

span.hidden:nth-of-type(2) {
    transition-delay: .2s;
}

span.hidden:nth-of-type(3) {
    transition-delay: .1s;
}

span.hidden:nth-of-type(4) {
    transition-delay: 0s;
}

span a {
    color: black;
    text-decoration:none;
    font-size: 20px;
    font-family: sans-serif;
    transition: .3s;
}

span a:hover {
    color: #1D90F5;
}

.container {
    position: absolute;
    top: 22.5px;
    right: calc(100% - 73.125px);
    height: 42.75px;
    width: 58.5px;
    transition: 1s;
}

.container.close {
    right: 12px;
}
.footer {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 1rem;
    background-color: rgba(10,10,10,0);
    color: antiquewhite;
    text-align: center;
}
.toggle {
    position: relative;
    height: 42.75px;
    width: 58.5px;
    cursor: pointer;
    
}

.toggle:after,
.toggle:before {
    content: '';
    background: #1D90F5;
    width: 36px;
    height: 4.5px;
    margin: auto;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    transition: 1.3s cubic-bezier(0.53, 0, 0.15, 1.3);
}

.toggle:before {
    top: -30%;
}

.toggle:after {
    top: 30%;
}

.toggle.close:before {
    transform: rotate(-225deg);
    top: 0;
}

.toggle.close:after {
    transform: rotate(225deg);
    top: 0;
}