html, body {
    width: 100%;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
    height: 100%;
}

body {
    background-color: #eff2f1;
    color: #333;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

a {
    display: inline-block;
    text-decoration: none;
    transition: color 0.25s ease;
    color: rgba(0,0,0,.87);
}
a:after {
    content: '';
    width: 0px;
    height: 2px;
    display: block;
    background: #ff717f;
    transition: 350ms;
}
a:hover:after {
    width: 100%;
}
a:hover {
    color: #ff717f;
}
.container {
    margin-left: 125px;
    margin-top: 55px;
    margin-bottom: 25px;
    margin-right: 50px;
    -webkit-animation: fadein 0.5s; /* Safari, Chrome and Opera > 12.1 */
    -moz-animation: fadein 0.5s; /* Firefox < 16 */
     -ms-animation: fadein 0.5s; /* Internet Explorer */
      -o-animation: fadein 0.5s; /* Opera < 12.1 */
         animation: fadein 0.5s;
}

@keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Firefox < 16 */
@-moz-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Internet Explorer */
@-ms-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Opera < 12.1 */
@-o-keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}

input, button, select, textarea {
    font-family: inherit;
    font-size: inherit;
    margin: 0 0 0.5em 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 2px;
}

input[type="text"], 
input[type="password"] {
    width: 100%;
}

input[type="text"], 
input[type="password"],
input[type="date"],
input[type="submit"],
button {
    padding: 6px 10px;
}

input[type="submit"],
button {
    cursor: pointer;
}

@media only screen and (max-width: 600px) {

    .container {
        text-align: center;
        margin-left: 10px;
        margin-right: 10px;
        margin-top: 100px;
    }
    input[type="text"], 
    input[type="password"],
    input[type="date"],
    input[type="submit"],
    button {
        width: 100%;
    }
}