*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.5s ease-in-out;
    font-family: 'Open Sans', sans-serif;
}
main{
    width: 100%;
    height: 100vh;
    background-image: url(https://preview.colorlib.com/theme/course/images/slider_background.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    object-fit: cover;  
    color: white;
    cursor: pointer;
}
header{
    width: 90%;
    height: 104px;
    background-color: white;
    color: black;
    display: flex;  
    align-items: center;
    margin-left: 5%;
    justify-content: space-between;
}
header > .logo{
    display: flex;
    align-items:center;
    color: #3a3a3a;
    font-family: 'Open Sans', sans-serif;
    font-weight: bolder;
    justify-content: space-between;
    width: 25vh;
    margin-left: 50px;
}
header > .link > ul{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3vh;
    list-style: none;
    font-weight: bold;
    color: #3a3a3a;
    font-size: 0.9rem;
}
header > .link > ul > li:hover{
    color: #ffb606;
}
header > .ph{
    width: 20%;
    background-color: #ffb606;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3vh;
    color: white;
}
.hero{
    margin-top: 25vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}
.hero > h1 > span{
    background-color: #ffb606;
}
.card{
    width: 100%;
    height: 35vh;
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin-top: 8vh;
}
.card > .box{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3vh;
    background-color: #1a1a1a;
    width: 25%;
    height: 25vh;
}
.card > .box > .icon > h2 > i{
    color: #ffb606;
    font-size: 3.5rem;
}
.card > .box > .text > h2{
    font-size: 2rem;
}
.card > .box:hover{
    background-color: #ffb606;
    color: white;
}
.card > .box:hover .icon > h2 > i{
    color: white;
}