body{
    margin: 0;
    padding: 0;
}
.mainbody{
    padding: 0;
    margin: 0;
    background-image: url(./images/wet-vietnam-mountain-flow-stream-rural.jpg);
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
} 
.main{
   text-align: center;
    margin-top: 200px;
}
.main h1{
    text-align: center;
    
    font-family:monospace;
    font-size: 44px;
    color: rgb(55, 52, 0);
}
h1 span{
    font-family:poppins;
}
.aaa {
    display: inline-block;
    font-size: 30px;
    color: rgb(191, 51, 238);
    text-decoration: none;
    transition: color 0.3s ease; /* smooth color change */
    transition: ease-in-out;
}

.aaa:hover {
    transform: scale(1.1);
    color: orange; /* color changes on hover */
    text-decoration: underline; /* optional: adds underline */
    transition: 2s;
    
}
/* ****************************************************************************End of Index Page************************************************************************************* */
header{
    display: flex;
    justify-content: space-between;
    background-color: #004d40;
    /* height: 70px; */
    /* border-bottom: black thin solid; */
    position: fixed;
    opacity: 90%;
    /* padding: 15px 40px; */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1;


}

header .div1{
    height: 60px;
    display: flex;
    align-items: center;
    margin-left: 20px;
}
header .div2{
    display: flex;
    gap: 20px;
    align-items: center;
    cursor: pointer;
    margin-right: 20px;
}
header .div2 button{
    height: 30px;
    width: 70px;
    font-size: medium;
    background-color: burlywood;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}
header .div2 h3:hover{
    color: darkorange;
    text-decoration: underline;
}
header .div2 button:hover{
    border: black thin solid;
    background-color: darkkhaki;
}

/* END OF HEADER */
body{
    background-color: #e3f2fd;
}
section img{
    border-radius: 10px;
}
section{
    margin-top: 20px;
    display: flex;
    /* display: grid; */
    /* grid-template-columns: 1fr 1fr 1fr 1fr; */
    row-gap: 40px;
    column-gap: 40px;
    width: 80%;
    margin-left: 10%;
    margin-right: 10%;
    
}
section .div3{
    /* background-color: aqua; */
    display: flex;
    align-items: center;
    justify-content: center;
    height: 250px;
    width: 100px;
    text-align: center;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 5s;
    opacity: 50%;

}

section .div3:hover{
    z-index: 1;
    width: 350px;
    transform: scale(1.2);
    transition: 3s;
    /* transition-timing-function: ease-in-out; */
    border: black thick solid;
    opacity: 100%;
    /* display: block; */
    
}
section .div3:hover h3{
    display: flex;
    /* transition-delay: 2s; */
}
section div background-image:hover{
    filter: blur(8px);
    -webkit-filter: blur(8px);
}
.div3:hover h3{
    color:rgb(0, 0, 0);
    transform: scale(1.1);
    opacity: 100%;
}
section .div3 h3{
    color: white;
    opacity: 60%;
    display: none;
    /* font-size: 40px; */
}
.div3 a{
    text-decoration: none;
}

/* ******************************************************************************** END OF HOME PAGE********************************************************************** */

section h1{
    margin-top: 90px;
}
section{
    margin-top: 100px;
}
section div img{
    /* padding-top: 20px; */
    height: 250px;
    width: 300px;
    border-radius: 10px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
.one{
    margin: auto;
    margin-left: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    text-align:center;
    background-color:white;
    transition: transform 2s;
    cursor: pointer;
    width: 300px;
}
.one:hover{
    transform: scale(1.2);
}
.one p{
    padding: 5px
}
a button{
    /* margin: auto; */
    padding: 10px;
    margin-top: 10px;
    background-color: rgb(236, 193, 21);
    border-radius: 10px;
    cursor: pointer;
}