@import url(https://fonts.googleapis.com/css?family=Montserrat:400,700);

form { max-width:420px; margin:50px auto; }

.form-input {
color:gray;
font-family: Helvetica, Arial, sans-serif;
font-weight:500;
font-size: 18px;
border-radius: 5px;
line-height: 22px;
background-color: transparent;
border:2px solid #6666CC;
transition: all 0.3s;
padding: 13px;
margin-bottom: 15px;
width:100%;
box-sizing: border-box;
outline:0;
}

.form-input:focus { border:2px solid #CC4949; }

textarea {
/*height: 150px;*/
/*line-height: 150%;*/
resize:vertical;
}

[type="submit"] {
font-family: 'Montserrat', Arial, Helvetica, sans-serif;
width: 100%;
background:#6666CC;
border-radius:5px;
border:0;
cursor:pointer;
color:white;
font-size:24px;
padding-top:10px;
padding-bottom:10px;
transition: all 0.3s;
margin-top:-4px;
font-weight:700;
background-image: none;
}

[type="submit"]:hover { background:#4949CC; }
[type="submit"]:valid { background:#4949CC; background-image: none; }

/* data validation coloring */
input:invalid {
  /*border: 2px dashed red;*/
  /*box-shadow: 0 0 5px 1px red;*/
  background-image: url(data:image/png;base64,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);
  background-position: right top;
  background-repeat: no-repeat;
  -moz-box-shadow: none;
}

input:valid {
  /*border: 2px solid black;*/
  background-image: url(data:image/png;base64,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);
  background-position: right top;
  background-repeat: no-repeat;
}

/*input:required:focus:valid {
  background: url(images/check.svg) no-repeat 95% 50% lightgreen;
  background-size: 25px;
}
input:focus:invalid {
  background: url("https://assets.digitalocean.com/labs/icons/exclamation-triangle-fill.svg") no-repeat 95% 50% lightsalmon;
  background-size: 25px;
}*/