*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: monospace;
}

body{
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

.header{
    height: 100px;
    background-color: #000;
    border-bottom: solid 2px rgba(255, 247, 0, 1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo{
    margin-left: 25px;
}

.page{
    height: calc(100vh - 100px);
    width: 100%;
    background-color: #404040;
}

.menu{
    display: flex;
    height: 100%;
    justify-content: center;
    align-items: center;
}

.menubtn{
    margin-left: 10px;
    margin-right: 10px;
    padding: 0 10px 0 10px;
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 25px;
    font-weight: 900;
    color:rgba(255, 247, 0, 1);
}

.menubtn:hover{
    background-color: rgba(255, 247, 0, 1);
    color: black;
}


@media only screen and (max-width: 768px) {
.logo{margin: 0;}

.header{
    height: 100px;
    background-color: #000;
    border-bottom: solid 2px rgba(255, 247, 0, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.menubtn{
    margin-left: 5px;
    margin-right: 5px;
    padding: 0 5px 0 5px;
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 20px;
    font-weight: 900;
    color:rgba(255, 247, 0, 1);
}
 }