*{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.container{
    width: 100%;
    background-color: aliceblue;
    display: flex;
    justify-content: space-around;
    align-items:center;
    padding: 10px;
}
.container a{
    text-decoration: none;
    color: #000;
}
.container .select{
    background-color: #000;
    color: white;
    padding: 10px;
    border-radius: 10px;
}

.first-container{
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
}
.first-container .box1{
    width: 35vh;
    height: 10vw;
    background-color: #00a8ff;
}

.first-container .box2{
    background-color:#9c88ff;
    width: 41vh;
    height: 10vw;
}
.first-container .box3{
    background-color:#fbc531;
    width: 41vh;
    height: 10vw;
}
.first-container .box4{
    background-color:#4cd137;
    width: 41vh;
    height: 10vw;
}
.first-container .box5{
    background-color:#487eb0;
    width: 41vh;
    height: 10vw;
}
.second-container{
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
}
.second-container .box6{
    width: 35vh;
    height: 10vw;
    background-color: #0097e6;
}

.second-container .box7{
    background-color:#8c7ae6;
    width: 41vh;
    height: 10vw;
}
.second-container .box8{
    background-color:#e1b12c;
    width: 41vh;
    height: 10vw;
}
.second-container .box9{
    background-color:#44bd32;
    width: 41vh;
    height: 10vw;
}
.second-container .box10{
    background-color:#40739e;
    width: 41vh;
    height: 10vw;
}
.third-container{
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
}
.third-container .box11{
    width: 35vh;
    height: 10vw;
    background-color: #e84118;
}

.third-container .box12{
    background-color:#f5f6fa;
    width: 41vh;
    height: 10vw;
}
.third-container .box13{
    background-color:#7f8fa6;
    width: 41vh;
    height: 10vw;
}
.third-container .box14{
    background-color:#273c75;
    width: 41vh;
    height: 10vw;
}
.third-container .box15{
    background-color:#353b48;
    width: 41vh;
    height: 10vw;
}
.forth-container{
    width: 100%;
    height: auto;
    display: flex;
    align-items: center;
    overflow: auto;
}
.forth-container .box16{
    width: 35vh;
    height: 10vw;
    background-color: #c23616;
}

.forth-container .box17{
    background-color:#dcdde1;
    width: 41vh;
    height: 10vw;
}
.forth-container .box18{
    background-color:#718093;
    width: 41vh;
    height: 10vw;
}
.forth-container .box19{
    background-color:#192a56;
    width: 41vh;
    height: 10vw;
}
.forth-container .box20{
    background-color:#2f3640;
    width: 41vh;
    height: 10vw;
}