html {
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
    color: #666666;
}

*, *:before, *:after {
    box-sizing: inherit;
}

a {
    outline: 0;
}

:root {
    --animBorder-size: 2px;
    --animBorder-color: #000;
    --animBorder-box-bg: #fff;
    --animBorder-anim-duration: 2s;
    --animBorder-anim-duration-divby3: 0.66s; /* --animBorder-anim-duration / 3 */
    --animBorder-anim-duration-divby1point5: 1.33s; /* --animBorder-anim-duration / 1.5 */
    --animBorder-anim-duration-reverse: 0.5s;
    --animBorder-anim-duration-reverse-divby3: 0.16s; /* --animBorder-anim-reverse-duration / 3 */
    --animBorder-anim-duration-reverse-divby1point5: 0.33s; /* --animBorder-anim-reverse-duration / 1.5 */
}

.red-borders {
    --animBorder-color: #a53f3f;
}

.blue-borders {
    --animBorder-color: #1b6f82;
}

.grey-borders {
    --animBorder-color: #4d4d4d;
}

.fast-borders {
    --animBorder-anim-duration: 0.75s;
    --animBorder-anim-duration-divby3: 0.25s; /* --animBorder-anim-duration / 3 */
    --animBorder-anim-duration-divby1point5: 0.5s; /* --animBorder-anim-duration / 1.5 */
}

.slow-borders {
    --animBorder-anim-duration: 3s;
    --animBorder-anim-duration-divby3: 1s; /* --animBorder-anim-duration / 3 */
    --animBorder-anim-duration-divby1point5: 2s; /* --animBorder-anim-duration / 1.5 */
}

body {
    margin: 0 auto;
    padding: 0;
    overflow-x: hidden;
    background-color: #fff;
}

.animBorder {
    position: relative;
    margin: 20px auto;
    padding: 0px;
    height: auto;
    width: 100%;
    max-width: 1200px;
    background-color: var(--animBorder-box-bg);
    display: flex;
    flex-direction: column;
    box-shadow: none;
    transition: 2s;
}

.animBorder-Top-Container {
    display: flex;
    width: 100%;
    align-content: center;
}

.animBorder-Middle-Container {
    display: flex;
    align-items: stretch;
}

.animBorder-Content {
    width: calc(100% - 2px);
    text-align: center;
    padding: 30px;
    overflow: hidden;
}

.animBorder-Bottom-Container {
    display: flex;
    height: var(--animBorder-size);
    background-color: var(--animBorder-color);
}


.animBorder-Shadow {
    box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.3);
}


.animBorder-Top {
    height: var(--animBorder-size);
    width: 0px;
    background-color: var(--animBorder-color);
    margin: 0 auto;
    transition: width var(--animBorder-anim-duration-divby3);
    transition-delay: 0s;
}

.animate-Top {
    width: 100%;
    transition-timing-function: linear;
    transition: width var(--animBorder-anim-duration-divby3);
    transition-delay: 0s;
}

.animate-Top-Reverse {
    width: 0%;
    transition: width var(--animBorder-anim-duration-divby3);
    transition-delay: var(--animBorder-anim-duration-reverse);
}

.animBorder-Left {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--animBorder-size);
    background-color: var(--animBorder-color);
    height: 0px;
    transition-timing-function: linear;
    transition: height var(--animBorder-anim-duration-divby1point5);
    transition-delay: var(--animBorder-anim-duration-divby3);
}

.animBorder-Right {
    position: absolute;
    top: 0;
    right: 0;
    width: var(--animBorder-size);
    background-color: var(--animBorder-color);
    height: 0px;
    transition-timing-function: linear;
    transition: height var(--animBorder-anim-duration-divby1point5);
    transition-delay: var(--animBorder-anim-duration-divby3);
}

.animate-Side {
    height: 100%;
    transition: height var(--animBorder-anim-duration-divby1point5);
    transition-delay: var(--animBorder-anim-duration-divby3);
}

.animate-Side-Reverse {
    height: 0%;
    transition: height var(--animBorder-anim-duration-reverse-divby1point5);
    transition-delay: var(--animBorder-anim-duration-reverse-divby3);
}

.animBorder-Bottom {
    height: var(--animBorder-size);
    width: 100%;
    background-color: var(--animBorder-box-bg);
    margin: 0 auto;
    transition: width var(--animBorder-anim-duration-divby3);
    transition-delay: var(--animBorder-anim-duration);
}

.animate-Bottom {
    width: 0%;
    transition: width var(--animBorder-anim-duration-divby3);
    transition-delay: var(--animBorder-anim-duration);
}

.animate-Bottom-Reverse {
    width: 100%;
    transition: width var(--animBorder-anim-duration-reverse-divby3);
    transition-delay: 0s;
}

.animBorder-Caption {
    background-color: #fff;
    color: var(--animBorder-color);
    padding: 10px 20px;
    position: relative;
    margin: 0 auto;
    top: calc(-20px - (var(--animBorder-size)/2.1));
    transition: calc(var(--animBorder-anim-duration) * 1.2);
    transition-delay: calc(var(--animBorder-anim-duration) / 2.2);
    opacity: 0;
}

.animBorder-Caption-Show {
    opacity: 1;
}