styel.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700display=swap');

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    text-decoration: none;
    list-style: none;
} 
nav{
    position: fixed;
    background-color: #1b1b1b;
    padding: 10px 0;
    width: 100%;
    z-index: 12;
}
.menu{
    min-width: 1250px;
    padding: 0 20px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo a{
    font-size: 35px;
    color: #fff;
    font-weight: 600;
}
.menu ul{
    display: inline-flex;
}
.menu ul li{
    margin: 7px;
}
.menu ul li a{
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all .3s ease;
}
.menu ul li a:hover{
    background-color: #fff;
    color: #1b1b1b;
}
.img{
    background: url('img/repairs-03-0.jpg') no-repeat;
    height: 150vh;
    width: 100%;
    background-position: center;
    background-size: cover;
    position: relative;
}
.img::before{
    content: '';
    position: absolute;
    height: 100%;
    width: 100%;
    background: rgba(0, 0, 0, .4);
}
.center{
    position: absolute;
    top: 70%;
    /* left: 50%; */
    width: 100%;
    transform: translate(-50% , -50% , );
    background-color: rgba(0, 0, 0, .1);
    padding: 0 20px;
    text-align: center;
}
.center .title{
    color: #fff;
    font-size: 55px;
    font-weight: 500;
    padding: 10px 0;
}
.center .sub_title{
    color: #fff;
    font-size: 45px;
    font-weight: 500;
    padding: 10px 0;
}
.center .btns{
    margin: 20px 0;
    padding: 10px 0;
}
.center .btns button{
    width: 25%;
    height: 100px;
    margin: 0 10px;
    border: 2px solid #fff;
    border-radius: 10px;
    font-size: 30px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: all .3s ease;
}
.center .btns button:first-child{
    color: #fff;
    background-color: #1b1b1b;
}
.center .btns button:first-child:hover{
    color: #1b1b1b;
    background-color: #fff;
}
.center .btns button:hover{
    color: #fff;
    background-color: #1b1b1b;
}