a {
    text-decoration: none;
    color: rgba(0, 0, 0, 0.741);
}

ul {
    list-style: none;
}

body {
    font-family: 'Roboto', sans-serif;
}

h1,
h2,
h3 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
}

p {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
}

/*-------------------------------------footer----------------------------------------------*/
footer {
    width: 100%;
    height: 300px;
    display: flex;
    background-color: rgba(33, 149, 33, 0.423);
}

.footer-1 {
    width: 30%;
    padding: 20px;
    font-size: 25px;
}

.footer-1>p {
    margin: 7px;
}

.footer-2 {
    width: 40%;
    padding: 20px;
    font-size: 20px;
}

.footer-2>.hang1 {
    display: flex;
}

.footer-2>.hang1>.chinhsach {
    margin-left: 100px;
}

.footer-3 {
    width: 30%;
    padding: 20px;
}

.footer-2>.hang2 {
    margin-top: 50px;
    text-align: center;
}

.footer-2>.hang2>div {
    background-color: aliceblue;
    border: 1px solid green;
    border-radius: 20px;
    margin-left: 25%;
    margin-right: 25%;
}

.footer-2>.hang2>div>input {
    border: none;
    outline: none;
    background-color: aliceblue;
    padding-left: 0px;
    margin: 5px;
}

.footer-2>.hang2>div>button {
    color: #1cb726;
    border: none;
    background-color: aliceblue;
}

.footer-3 {
    font-size: 20px;
    text-align: center;
}

.footer-3>div {
    padding-top: 20px;
}

.fb {
    font-size: 30px;
    margin: 10px;
    color: #3b5998;
}

.yt {
    font-size: 30px;
    margin: 10px;
    color: #FF0000;
}

.github {
    font-size: 30px;
    margin: 10px;
    color: black;
}