body{
  background:#fafafa;
  margin:0;
  padding:0;
  font-family: "Open Sans", sans-serif;
  color:#666666;
  font-size:13px;
}
.contenedor{
  border:1px solid #91C061;
  margin:0 auto;
  width:450px;
  padding:25px;
  position:absolute;
  top:15vh;
  left:calc(50% - 250px);
}
button{
  display:block;
  border-radius:8px;
  background:#91C061;
  width:50%;
  color:#ffffff;
  padding:15px 0;
  margin:0 auto;
  border:0;
}
a{
  display:block;
  background:#91C061;
  text-align:center;
  width:80%;
  margin:0 auto;
  color:#ffffff;
  text-decoration: none;
  padding:25px 0;
  transition:0.3s;
}
a:hover{
  background:#63984D;
}
i{
  font-size:35px;
  display:block;
  margin:0 auto;
  color:#ffffff;
  height:30px;
}
select {
  font-family: inherit;
  background-color: transparent;
  width: 100%;
  padding: 4px 0;
  margin:20px 0;
  font-size: 16px;
  color: rgba(0,0,0, 0.7);
  border: none;
  border-bottom: 1px solid rgba(0,0,0, 0.12);
}
.logo{
  display:block;
  margin:0 auto 35px auto;
  height:40px;
  border:0;
}

/* Remove focus */
select:focus {
  outline: none;
}

/* Hide label */
.mdl-selectfield label {
  display: none;
}

/* Use custom arrow */
.mdl-selectfield select {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
}

.mdl-selectfield {
  font-family: 'Roboto','Helvetica','Arial',sans-serif;
  position: relative;
}
.mdl-selectfield:after {
  position: absolute;
  top: 0.75em;
  right: 0.5em;
  /* Styling the down arrow */
  width: 0;
  height: 0;
  padding: 0;
  content: '';
  border-left: .25em solid transparent;
  border-right: .25em solid transparent;
  border-top: 0.375em solid rgba(0,0,0, 0.12);
  pointer-events: none;
}
@media screen and (max-width: 950px){
	.contenedor{
		width:300px;
		left:calc(50% - 175px);
	}
}