html {
        background-image: 
    linear-gradient(hsla(215,30%,70%,0.9) 0%, hsla(215,30%,70%,0) 50%, hsla(215,30%,70%,0.9) 100%); 
    
}

body {
    width: 700px;
    max-width: 90%;
    font-family: Helvetica, sans-serif;
    font-size: 16px;
    margin: 0 auto;
}

h1 {
    color: #298AAB;
    text-align: center;
    font-family: Helvetica, sans-serif;
    font-size: 20px;
    margin:10px 10px;
    padding: 15px;
    border-style: solid;
    border-width: 5px;
    border-color: #7081e0;
    border-radius: 10px;
    opacity: 0.7;
}

img {
    display: block;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 50px;
    margin-bottom: 65px;
}

label {
    width: 90%;
    padding: 6px 10px;
    margin: 10px 0;
}

input[type=text],
input[type=email],
input[type=tel],
input[type=date],
input[type=number] {
    background-color: rgba(0,0,0, 0.1);
    width: 90%;
    padding: 6px 10px;
    margin: 8px 0;
    box-sizing: border-box;
    border: none;
    border-bottom: 2px dashed #7081e0;
    border-radius: 10px;
    font-family: Helvetica, sans-serif;
    font-size: 16px;

}

.inputdiv {
    box-sizing: border-box;
    border: solid 5px #7081e0;
    border-radius: 10px;
    width: 300px;
    margin: 10px 25px;
    padding: 10px;
    float: left;
        opacity: 0.6;
}

input[type=submit]{
    color:white;
    box-sizing: border-box;
    width: 300px;
    margin: 0px 25px;
    padding: 25px;
    float: left;
    background-color: #298AAB;
    border: solid 5px  #7081e0;
    border-radius: 10px;
    font-size: 25px;
    opacity: 0.7;
}