* {
box-sizing: border-box;
}

*:focus {
	outline: none;
}
body {
font-family: Arial;
background-color: #3498DB;
padding: 50px;
}
.login {
margin: 20px auto;
width: 300px;
}
.login-screen {
background-color: #FFF;
padding: 20px;
border-radius: 5px;
}

.app-title {
text-align: center;
color: #777;
}

.login-form {
text-align: center;
}
.control-group {
margin-bottom: 10px;
}

input {
text-align: center;
background-color: #ECF0F1;
border: 2px solid transparent;
border-radius: 3px;
font-size: 16px;
font-weight: 200;
padding: 10px 0;
width: 250px;
transition: border .5s;
}

input:focus {
border: 2px solid #3498DB;
box-shadow: none;
}

.btn {
  border: 2px solid transparent;
  background: #3498DB;
  color: #ffffff;
  font-size: 16px;
  line-height: 25px;
  padding: 10px 0;
  text-decoration: none;
  text-shadow: none;
  border-radius: 3px;
  box-shadow: none;
  transition: 0.25s;
  display: block;
  width: 250px;
  margin: 0 auto;
}

.btn:hover {
  background-color: #2980B9;
}

.login-link {
  font-size: 12px;
  color: #444;
  display: block;
  margin-top: 12px;
}

.list-link {
    border: 2px solid transparent;
    background: #fff6cb;
    font-size: 18px;
    color: #001dff;
    display: block;
    font-family: Verdana;
    text-decoration: none;
    border-radius: 3px;
    box-shadow: none;
    transition: 0.25s;
    text-shadow: 1px 1px #ECF0F1;
}

* {
    box-sizing: border-box
}

/* Set height of body and the document to 100% */
body, html {
    height: 100%;
    margin: 0;
    font-family: Arial;
}

/* Style tab links */
.tablink {
    background-color: #555;
    color: white;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    font-size: 17px;
    width: 20%;
}

.tablink:hover {
    background-color: #777;
}

.contrato {
    margin: 20px auto;
    width: 800px;
}

.contrato-screen {
    background-color: #FFF;
    padding: 20px;
    border-radius: 5px;
}

.contrato-title {
    text-align: center;
    color: #777;
}

.contrato-form {
    text-align: center;
}

.contrato-group {
    margin-bottom: 0;
}