.input,
.input label,
.input input,
.input .spin {
   width: 100%;
}

.input {
   margin-top: 10px;
   height: 70px;
}

.input,
.input input {
   position: relative;
}

.input input {
   height: 60px;
   top: 10px;
   border: none;
   background: transparent;
}

.input input,
.input label
  {
   font-family: 'Roboto', sans-serif;
   font-size: 24px;
   color: rgba(0, 0, 0, 0.8);
   font-weight: 300;
}

.input:before,
.input .spin {
   width: 100%;
   height: 1px;
   position: absolute;
   bottom: 0;
   left: 0;
}

.input:before {
   content: "";
   background: rgba(0, 0, 0, 0.1);
   z-index: 3;
}

.input .spin {
   background: #ED2553;
   z-index: 4;
   width: 0;
}

.input label {
   position: absolute;
   top: 10px;
   left: 0;
   z-index: 2;
   cursor: pointer;
   line-height: 60px;
}