/* import url('http://fonts.googleapis.com/'); */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    background-color: #24252a;
}

li,a,button{
    font-weight: 500;
    font-size: 16px;
    color: #edf0f1;
    text-decoration: none;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 10%;
}

.logo {
    /* 鼠标便手 */
    cursor: pointer;
    order: 3;
    margin-left: auto;
}

.nav_links {
    list-style: none;
}

.nav_links li{
    display: inline-block;
    padding: 0px 20px;
}

.nav_links li:nth-child(2){
    text-decoration: nuderline;
}

.nav_links li a{
    transition: all 0.3s ease 0s;
}
.nav_links li a:hover{
    color:#0088a9;
}

button{
    padding: 9px 25px;
    background-color: rgba(0,136,169,1);
    border:none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease 0s;
}

button:hover{
    background-color: rgba(0,136,169,0.6);
}