* {
    box-sizing: border-box;
}

html {
    background-color: #272727;
}

body {
    font-family: "Libre Franklin", sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4fafd;
}

nav {
    position: relative;
    height: 85px;
    top: 7px;
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
}

.navs {
    position: relative;
    display: block;
    float: right;
    color: #ffa72e;
    font-size: 15px;
    text-align: center;
    height: 50px;
    padding: 35px 15px 0px 15px;
    text-decoration: none;
}

.navs:hover {
    color: #000;
}

.navs:before {
    content: "";
    position: absolute;
    width: 50%;
    top: 60px;
    height: 2px;
    bottom: 0;
    background-color: #000;
    visibility: hidden;
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transition: all 0.3s ease-in-out 0s;
    transition: all 0.3s ease-in-out 0s;
}

.navs:hover:before {
    visibility: visible;
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
}

.book-nav {
    float: right;
    padding-left: 20px;
    padding-right: 20px;
    display: none;
    color: #ffa72e;
    font-size: 20px;
    text-align: center;
    height: 50px;
    padding: 35px 20px 0px 20px;
    border: 2px solid #2f9cdb;
}

.big {
    position: relative;
    width: 100%;
    height: 500px;
    top: 100px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-color: white;
}

.big-text {
    position: relative;
    top: 50px;
    margin: 0 auto;
    width: 100%;
    height: 350px;
    padding-top: 0px;
    max-width: 1300px;
    text-align: center;
    color: white;
    font-size: 20px;
    border-radius: 40px;
}

.overlay {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.6);
    width: 100%;
    height: 100%;
}

h1 {
    font-size: 55px;
}

h1 a {
    color: white;
}

h2 {
    color: black;
    font-weight: 100;
}

img {
    height: auto;
    max-width: 100%;
    vertical-align: top;
}

.button-top {
    background-color: #ffa72e;
    color: white;
    border: 0;
    border-radius: 10px;
    top: 0px;
    position: relative;
    padding-top: 5px;
    text-decoration: none;
}

.button-tippy-top {
    font-family: "Libre Franklin", sans-serif;
    font-size: 24px;
    font-weight: 100;
    width: 300px;
    height: 75px;
    overflow: hidden;
}

button {
    width: 200px;
    font-size: 16px;
    height: 50px;
    background-color: #ffa72e;
    color: white;
    border: 0;
    border-radius: 10px;
    position: relative;
    padding-top: 5px;
}

button a {
    text-decoration: none;
    color: white;
}

p {
    padding: 0px 30px;
    line-height: 25px;
}

#logo-small {
    display: none;
    margin-left: 10px;
}


/* STRUCTURE */

.wrapper {
    padding: 5px;
    max-width: 1200px;
    width: 95%;
    margin: 20px auto;
    text-align: center;
}

header {
    position: fixed;
    width: 100%;
    height: 100px;
    background: white;
    box-shadow: 0px 1px 5px 0px #0000004d;
    z-index: 1;
}

.columns {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    margin: 5px 0;
    text-align: center;
}

.column {
    flex: 1;
    text-align: center;
    margin: 15px;
    padding-bottom: 10px;
    box-shadow: rgba(0, 0, 0, 0.1) 0px 5px 20px;
    background: white;
    color: rgb(88, 86, 86);
    border-radius: 5px;
    border-bottom: 3px solid transparent;
    transition: all 0.35s ease 0s;
    &:first-child {
        margin-left: 0;
    }
    &:last-child {
        margin-right: 0;
    }
}

.column ul {
    padding: 0;
}

.column ul li {
    border-bottom: 1px solid #F0F0F0;
    color: #262525;
    margin-bottom: 15px;
    padding-bottom: 15px;
    list-style: none;
}

#team a {
    text-decoration: none;
}

#team-2 a {
    text-decoration: none;
}

footer {
    padding: 0px;
    background-color: #272727;
    color: white;
}

footer .column {
    background-color: #1d1d1d;
    color: white;
}

footer h2 {
    color: white;
    font-size: 20px;
}

@media screen and (max-width: 1150px) {
    .navs {
        display: none;
    }
    #logo-big {
        display: none;
    }
    #logo-small {
        display: block;
    }
}

@media screen and (max-width: 980px) {
    .columns .column {
        margin-bottom: 5px;
        flex-basis: 40%;
        &:nth-last-child(2) {
            margin-right: 0;
        }
        &:last-child {
            flex-basis: 100%;
            margin: 0;
        }
    }
}

@media screen and (max-width: 680px) {
    .columns .column {
        flex-basis: 100%;
        margin: 0 0 5px 0;
    }
    h1 {
        font-size: 35px;
    }
}

@media screen and (max-width: 400px) {
    #button-top button {
        font-size: 18px;
        width: 300px;
        height: 45px;
    }
     h1 {
        font-size: 20px;
    }
}

#article p {
    text-align: left;
    font-size: 20px
}

#article h2 {
    padding-top: 50px;
}