* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Helvetica, Arial, sans-serif;
    background: linear-gradient(#0080ff,#3300ff, #00ffff) fixed;
    color: #fff;
}

a {
    color: #f00;
    text-decoration: none;
    transition: 0.5s;

    &:hover {
        color: #f90;
        text-decoration: underline;
    }
}

main {
    max-width: 500px;
    margin: 50px auto;
    box-shadow: 0px 10px 10px rgba(0, 0, 0, 0.5);
    padding: 20px;
    background-color: #333c;
}

.myform {
    background: #efe;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    color: #333;

    input, button {
        border-radius: 5px;
        height: 30px;
        background-color: #fff;
        
        vertical-align: top;
        width: 60px;
        margin: 0 5px;
    }

    button {
        background-color: #e2f5fc;
        border: 2px solid #000;

        &:hover {
            cursor: pointer;
            background-color: #000;
            color: #fff;
        }
    }
}