/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Tahoma', 'Segoe UI', sans-serif;
    font-size: 11px;
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    user-select: none;
    -webkit-user-drag: none;
}

button {
    cursor: pointer;
    font-family: inherit;
}

ul, ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Prevent text selection by default */
* {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Allow text selection in specific areas */
.selectable {
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}