body{
    font-size:20px;
    line-height: 2;
    background-image: linear-gradient(to bottom, #F9A628 0%, #F9CB28 60%);
    text-align: center;
}

.navbar{
    width: 100%;
    display: flex;
    align-items: center;
}

.logo{
    width: 50px;
    cursor: pointer;
    margin:30px 0;
}

.menu{
    width: 25px;
    cursor: pointer;
    display: none;
}

nav{
    flex: 1;
    text-align: right;
}

nav ul li{
    list-style: none;
    display: inline-block;
    margin-right: 30px;
}

nav ul li a{
    text-decoration: none;
    color: black;
    font-size: 19px;
}

nav ul li a:hover{
    color: #a1c4fd
}

.subject{
    width:50%;
    float:left;
    padding:15px;
    position:relative;
    background-color: skyblue;
    border-radius: 2%;
}
.subject .title{
float:left;
    letter-spacing:1px;
    color:slategrey;

}
.subject .line{
    position:absolute;
    bottom:6px;
    border-bottom:1px;
    margin-left:.6rem;
    margin-right:.6rem;
}
.number{
    font-size: 16px;
    color:rosybrown
}

.btn {
    border-radius: 100px;
padding: 1rem;
}

button {
	padding: 19px 39px 18px 39px;
	color: #fff;
	background-image: linear-gradient(to right, #a1c4fd 0%, #c2e9fb 51%, #a1c4fd 100%);
	font-size: 18px;
	text-align: center;
	border-radius: 5px;
	border: none;
	width: 100%;
	background-size: 200% auto;
	margin-bottom: 10px;
	transition: all 0.5s;
	cursor: pointer;
}

button:hover,
button:focus {
	background-position: right center;
	color: black;
}

@media only screen and (max-width:600px){

    nav ul{
        width: 100%;
        background: white;
        position: absolute;
        top: 100px;
        right: 0;
        z-index: 2;
    }

    nav ul li{
        display: block;
        margin-top: 10px;
        margin-bottom: 10px;
    }

    nav ul li a{
        color: black;
        padding-bottom: 5px;
    }

    .menu{
        display: block;
    }

    #menuList{
        overflow: hidden;
        transition: 0.3s;
    }
}