.floating-button {
color: #fff;
position: absolute;
right: 16px;
bottom: 88px;
width: 56px;
height: 56px;
border-radius: 50%;
z-index: 1500;
overflow: hidden;
-webkit-transition-duration: 300ms;
transition-duration: 300ms;
box-shadow: 0 10px 20px rgba(0, 0, 0, .19), 0 6px 6px rgba(0, 0, 0, .23);
display: -webkit-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-box-align: center;
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
-webkit-box-pack: center;
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
background-color: #2196f3;
}