style.css

a {
    color: #0000FF;
    text-decoration: none;
}

a:hover {
    color: #0000FF;
    font-weight: bold;
}

a:visited {
    color: teal;
}

.error_text {
    color: #FF0000;
    font-weight: bold;
}

body {
    text-align: center;
    font-family: Helvetica, sans-serif;
    /*overflow: hidden;*/
}

.frame {
    margin: 0 auto;
    width: 550px;
    margin-top: 10px;
    margin-bottom: 20px;
    background: #EEE;
    /*box-shadow: 0px 0px 8px #5078BE;
    -moz-box-shadow: 10px, 10px, 3px, teal;
    -webkit-box-shadow: 10px, 10px, 3px, teal;
    border-radius: 12px;
    -moz-border-radius: 7px;
    -webkit-border-radius: 7px;*/
}

#header {
    font-weight: bold;
    font-size: x-large;
    text-shadow: 1px 1px 2px #5078BE;
}

.slider_container {
    width: 100%;
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 90%;
    height: 25px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
}


/* Fork me on Github thinghie from https://codepo8.github.io/css-fork-on-github-ribbon */

#forkongithub a {
    background: #000;
    color: #fff;
    text-decoration: none;
    font-family: arial, sans-serif;
    text-align: center;
    font-weight: bold;
    padding: 5px 40px;
    font-size: 1rem;
    line-height: 2rem;
    position: relative;
    transition: 0.5s;
}

#forkongithub a:hover {
    background: #c11;
    color: #fff;
}

#forkongithub a::before,
#forkongithub a::after {
    content: "";
    width: 100%;
    display: block;
    position: absolute;
    top: 1px;
    left: 0;
    height: 1px;
    background: #fff;
}

#forkongithub a::after {
    bottom: 1px;
    top: auto;
}

@media screen and (min-width:800px) {
    #forkongithub {
        position: fixed;
        display: block;
        top: 0;
        right: 0;
        width: 200px;
        overflow: hidden;
        height: 200px;
        z-index: 9999;
    }
    #forkongithub a {
        width: 200px;
        position: absolute;
        top: 60px;
        right: -60px;
        transform: rotate(45deg);
        -webkit-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.8);
    }
}