*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI',sans-serif;
    list-style: none;
    text-decoration: none;
    color: #000;
}

.container{
    width: 100%;
    height: 100vh;
    display: flex;
}

.container__left{
    width: 200px;
    height: 100vh;
    display: flex;
    justify-content: left;
    background-color: #a7e0f7;
    padding-left: 20px;
}

.container__left nav ul{
    margin-top: 100px;
}

.container__left nav ul li {
    padding: 10px 0;
}

.container__right{
    width: calc(100% - 200px);
    height: 100vh;
    /* background-color: aqua; */
}

.container__right header{
    height: 80px;
    /* border: 1px solid red; */
    padding: 20px;
    background-color: #C5EDFD;
}

.container__right main{
    height: calc(100% - 160px);
    /* border: 1px solid red; */
    padding: 20px;
    background-color: #f2f2f2;
}

.container__right footer{
    height: 80px;
    /* border: 1px solid red; */
    padding: 20px;
    background-color: #C5EDFD;
}