body {
    margin: 0;
    padding: 20px;
    font-family: sans-serif;
    color: #142442;
    overflow-x: hidden;
}

body.night {
    background-color: #181e29;
    color: #FFF;
}

a {
    color: #00ceff;
    text-decoration: none;
    border-bottom: 1px solid #00ceff;
    position: relative;
}

a:hover,
a:focus,
a:active {
    background-color: #00ceff;
    color: #FFF;
}

@media (min-width:768px) {

    a:hover:before,
    a:focus:before,
    a:active:before {
        border: 5px solid #00ceff;
        content: "";
        position: absolute;
        left: -5px;
        right: -5px;
        top: -5px;
        bottom: -5px;
    }
}

h1 {
    font-size: 40px;
    letter-spacing: -2px;
    margin: 0;
    text-align: center;
    cursor: default;
    /* color: red; */
}

p {
    font-family: Cambria, Georgia, serif;
    font-size: 26px;
    line-height: 1.5;
    color: #7c8ea2;
}

p.bigger {
    font-size: 30px;
}

.red-highlight {
    color: red;
    background-color: yellow;
}

.white-highlight {
    color: white;
    background-color: red;
}

.about {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    min-height: 100vh;
    padding: 10px;
    box-sizing: border-box;
}

.highlight {
    background: #f00;
    color: white;
    padding: 3px 5px;
}

.name {
    color: white;
    padding: 3px 5px;
}

.warning {
    color: red;
    padding: 3px 5px;
}


@keyframes heart-burst {
    0% {
        background-position: left;
    }

    100% {
        background-position: right;
    }
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

.my-photo {
    margin: 5px;
    border-radius: 5px;
    box-shadow: 0px 7px 15px 0px #e8eaef;
    transition: all 300ms ease-in-out;
}

.my-photo:hover {
    transform: translateY(-3px);
    box-shadow: 0px 7px 15px 0px #cfd3dc;
}

.text-left {
    text-align: left;
}

.container {
    width: 90%;
    margin: 0 auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
}

.column {
    flex-grow: 1;
    flex-shrink: 1;
    flex-basis: 1%;
    padding: 40px;

}

.col-3 {
    max-width: calc(100% / 12 * 3);
}

@media screen and (max-width: 768px) {
    .container {
        overflow: auto;
    }

    .column {
        min-width: 100%;
        width: 100%;
        margin: 10px 0;
        padding: 0;
    }

    .my-photo {
        margin: 30px 0 0;
        border: 0;
        box-shadow: none;
    }

    .my-photo:hover {
        transform: translateY(0);
        box-shadow: none;
    }

}

@media only screen and (min-width: 999px) {
    .container {
        width: 90%;
        max-width: 1400px;
    }
}