h1, input::-webkit-input-placeholder, button {
font-family: 'roboto', sans-serif;
-webkit-transition: all 0.3s ease-in-out;
transition: all 0.3s ease-in-out;
border-radius: 3px 3px 0 0;
box-shadow: 0 2px 5px 1px rgba(0, 0, 0, 0.2);
box-shadow: 2px 2px 5px 1px rgba(0, 0, 0, 0.2);
border-bottom: solid 1px #1abc9c;
-webkit-transition: all 0.3s cubic-bezier(0.64, 0.09, 0.08, 1);
transition: all 0.3s cubic-bezier(0.64, 0.09, 0.08, 1);
background: -webkit-linear-gradient(top, rgba(255, 255, 255, 0) 96%, #1abc9c 4%);
background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 96%, #1abc9c 4%);
background-position: -200px 0;
background-size: 200px 100%;
background-repeat: no-repeat;
input:focus, input:valid {
background-position: 0 0;
input:focus::-webkit-input-placeholder, input:valid::-webkit-input-placeholder {
-webkit-transform: translateY(-20px);
transform: translateY(-20px);
visibility: visible !important;
box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.2);
-webkit-transform: translateY(-3px);
-ms-transform: translateY(-3px);
transform: translateY(-3px);
box-shadow: 0 6px 6px 0 rgba(0, 0, 0, 0.2);