* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
}

.hero{
    height: 100%;
    width: 100%;
    background-color: black;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-page{
    height: 900px;
    width: 1300px;
}

.header{
    height: 10%;
    width: 100%;
    background-color: white;
}
.header h1{
    font-size: 50px;
    text-align: center;
}
.sec2{
    height: 20%;
    width: 100%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content:space-around;
    flex-direction: row;

}
.sec3{
    height: 40%;
    width: 100%;
    background-color:white;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-direction: row;
}

.sec3 .box1{
    height: 40%;
    width: 10%;
    background-color: red;
}

.sec3 .box2{
    height: 40%;
    width: 10%;
    background-color: blue;
}
.sec3 .box3{
    height: 40%;
    width: 10%;
    background-color: green;
}
.sec3 .box4{
    height: 40%;
    width: 10%;
    background-color: yellow;
}

.sec4{
    height: 30%;
    width: 100%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: row;
}