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

html, body {
    font-family: 'Oswald', sans-serif;
    background: #ebebeb;
    background: url('../imgs/bg.png') no-repeat bottom center fixed;
    background-size: cover;
}

nav {
    margin: 25px 20%;   
    
}
nav input {
    font-size: 25px;
    height: 70px;
    width: 100%;
    border: none;
    background: white;
    padding: 10px 20px;
    border-radius: 5px;
    outline: 0;
    letter-spacing: 1px;
    word-spacing: 8px;
    text-align: center;
    font-family: 'Oswald', sans-serif;

}


.referent {
    display: inline-block;
    cursor: pointer;
    border-radius: 5px;
    position: relative;
    background: white;
    margin: 25px;
    width: 200px;
    height: 200px;
    background-position: center center;
    background-size: cover;
    overflow: hidden;
}

.referent:hover {
    opacity: 1;   
}
.referent .infos {
    padding: 10px;
    position: absolute;
    bottom: 0;
    width: 100%;
    background:rgba(0, 0, 0, 0.7);
    color: white;
    text-align: center;
}

.referents {
    text-align: center;   
}

.game {
    border-radius: 20px;
    border: 3px solid black;
}
button {
    cursor: pointer;
    display: inline-block;
    height:60px;
    line-height: 60px;
    background: #47ad4b;
    border: 1px solid green;
    border-bottom-width: 6px;
    border-radius: 10px;
    font-size: 40px;
    padding: 0 25px;
    margin-bottom: 20px;
    outline: 0;
    transition: all 0.2s;
}
button:hover {
    border-bottom-width: 4px;
}
button:active {
    border-bottom-width: 2px;
}

.abso {
    position:absolute;
    width:100%;
    height:100%;
    
}