input[type=file]::file-selector-button {
  border: transparent;
  padding: .2em .4em;
  border-radius: .2em;
  background-color: transparent;
  transition: 1s;
  color:transparent;
  display:none;
}

input[type=file]::file-selector-button:hover {
  background-color: transparent;
  border: transparent;
  display:none;
}
ul.footer-icons {
    list-style: none;
}
ul.footer-icons .link-social {
        float: left;
        margin-right: 10px;
}
.amber.darken-2 {
    background-color: #ffa000 !important;
}
.blue.darken-2 {
    background-color: #1976D2 !important;
}

.btn-floating {
    display: inline-block;
    color: #fff;
    position: relative;
    overflow: hidden;
    z-index: 1;
    width: 37px;
    height: 37px;
    line-height: 37px;
    padding: 0;
    background-color: #26a69a;
    border-radius: 50%;
    transition: .3s;
    cursor: pointer;
    vertical-align: middle;
}
.btn-floating i {
    width: inherit;
    display: inline-block;
    text-align: center;
    color: #fff;
    font-size: 1.6rem;
    line-height: 37px;
}