.content {
    width: 1200px;
    height: 1140px;
    margin: 90px auto;
}

.content ul {
    width: 1200px;
    margin: 0 auto;
    text-align: center;
}
.content ul li {
    margin-right: 50px;
    font-size: 18px;
    height: 25px;
    line-height: 25px;
    border: 1px solid #000;
    padding: 5px 10px;
    display: inline-block;
    text-align: none;
    cursor: pointer;
}
.content .two {
    width: 100%;
    height: 1140px;
}
.content .two input {
    width: 340px;
    height: 30px;
    padding-left: 20px;
    line-height: 1200px;
    color: #ccc;
    font-size: 16px;
    margin-top: 30px;
    border-radius: 5px;  /*圆角边框属性*/
    border: 1px solid #ccc;
}