body {
  background-color: #555577;
  font-family: Arial, Helvetica, sans-serif;
}
* {box-sizing: border-box;}

.container_login {
  border-radius: 5px;
  background-color: #777799;
  padding: 20px;
  min-width: 60%;
  text-align: center;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);    }

  .container_mobile {
    border-radius: 5px;
    background-color: #777799;
    padding: 20px;
    width: 100%;
    height: 100%;
    text-align: center;
  }


input, select, textarea {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
  margin-top: 6px;
  margin-bottom: 16px;
  resize: vertical;
  text-align: center;
}

input[type=submit] {
  background-color: #4CAF50;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

input[type=submit]:hover {
  background-color: #45a049;
}

a:link {
  color: #cccccc
}
a:visited {
  color: #cccccc
}
a:hover {
  color: #9999ff
}

.text_large {
  font-size: 40px;
  color: #ffffff;
}
.text_med {
  font-size: 18px;
  color: #cccccc;
}
.text_small {
  font-size: 12px;
  color: #cccccc;
}

.text_right {
  text-align: right;
}
.text_left {
  text-align: left;
}