style.css

#batch_mutter{
    min-width: 250px;
    min-height: 100px;
    margin-bottom: 10px;
}
#btn_mutter{
    border:none;
    text-align: center;
    background: #1DA1F2;
    border-radius: 100px;
    height: 30px;
    width: 100px;
    color:white;
    font-size: 14px;
    font-weight: 600;
    transition: all ease-In 0.2s ;
    cursor: pointer;
}
#btn_mutter:hover{
    transform: scale(1.03) translateY(-3px);
    box-shadow: 0 3px 5px rgba(0,0,0,.2);
    transition: all ease-In 0.2s ;
}
#link-more{
    color: #1DA1F2;
    cursor: pointer;
}
#more-options{
    display: none;
    padding: 15px 0;
    text-align: left;
}
#more-options input{
    margin-bottom: 5px;
}
#btn-more{
    border:none;
    display: block;
    text-align: center;
    background: #1DA1F2;
    border-radius: 50px;
    height: 15px;
    width: 40px;
    color:white;
    font-size: 12px;
    font-weight: 400;
    transition: all ease-In 0.2s ;
    cursor: pointer;
    padding: 5px;
}
.twitter-image{
    width: 30px;
    height: 30px;
    transition: all ease-In 0.2s ;
}
.twitter-image:hover{
    opacity: 0.6;
    transition: all ease-In 0.2s ;
}
.wrapper{
    padding: 10px;
    text-align: center;
}
#textarea-div{
    position: relative;
}
#custom{
    width: 100%;
    height: 20px;
}
.loader {
    position: absolute;
    top:calc(50% - 45px);
    left:calc(50% - 45px);
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #1DA1F2; /* Blue */
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    display: none;
}
.half-width{
    width: 50%;
    float: left;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}