html {
    scroll-behavior: smooth;
}

body {
    background-color: #000000;
    /*background-image: url(../image/bg.jpg);*/
    background-repeat: repeat;
    background-attachment: fixed;
    background-size: cover;
}

p {
    font-family: ubuntu;
}

h2 {
    font-family: 'Russo One', sans-serif;
}

.a:link,
.a:visited {
    background-color: black;
    color: rgb(103, 230, 198);
    text-align: center;
    text-decoration: none;
    display: inline-block;
}

.a:hover,
.a:active {
    background-color: rgb(68, 136, 240);
    color: rgb(236, 66, 35);
}

/*menu back----------------------------*/
.mback {
    width: 240px;
    height: 90px;
    position: fixed;
    display: table;
    top: 0%;
    left: 0%;
}

.mback .img-h {
    width: 240px;
    height: 90px;
    display: table;
    position: fixed;
    z-index: -1;
}

.mback .img-nh {
    width: 240px;
    height: 90px;
    position: fixed;
    display: table;

}

.mback:hover .img-nh {
    opacity: 0%;
}